Number 31

In La Primitiva under the 6/49 + 1/49 · Oct 1985 – Jan 2013 rules — 2,558 draws, 6 from 1–49 (an earlier era).

309times drawn · chance expected 313 −0.25σ

1draws waiting · a wait this long: >99% for any number

8.2average wait between appearances · chance says 8.2

69longest completed wait · 4% chance of one at least that long

31 is drawn as often as chance explains

Drawn 309 times in 2,558 draws against 313.2 expected, −0.25σ. Each draw is independent: after 1 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 46 times, counted separately.

Number 31, draw by draw

Drawn 309 times in 2,558 draws · average wait 8.2 draws · longest completed wait 69 · waiting 1 draws now

a completed wait — darker is longer the wait still running — a lower bound, not a finished gap

Where it lands in a sorted draw

Sort a draw and 31 has a favourite seat — chance gives a large number the high positions more often. That is the shape of sorting, not of the machine.

1st smallest3 · chance 1.5
2nd smallest12 · chance 16.6
3rd smallest75 · chance 64.1
4th smallest101 · chance 112.1
5th smallest87 · chance 89.0
6th smallest31 · chance 25.7

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 32.2 shared draws, and the leaders are simply the ones that came out ahead this time.

4 3 45 47 30 44

It has shared a draw with every one of the other 48 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 31 is picked about 1.22× as often as an indifferent choice — 15th most popular of 49. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers 1–31 — the birthday zone ×1.22

The model and its sources → · What people believe about 31 →

Every draw it appeared in

Date	Wait	Position	The draw
2012-12-27	7	3rd	2 5 31 33 43 49
2012-12-01	13	6th	6 19 22 24 30 31
2012-10-18	2	6th	1 2 5 9 17 31
2012-10-11

What this cannot tell you

Nothing here predicts the next draw. A number’s history is a record of a fair machine’s past, and the machine keeps none of it: 31 is drawn with probability 6/49 tonight whatever it did last week.

2011-09-29	15	4th	7 27 29 31 37 47
2011-08-06	11	3rd	15 16 31 43 45 49
2011-06-30	1	4th	14 16 26 31 43 46
2011-06-25	7	5th	11 17 20 28 31 39
2011-06-02	2	3rd	15 27 31 40 47 49
2011-05-26	5	4th	9 21 24 31 33 34
2011-05-07	11	5th	2 23 24 30 31 37
2011-03-31	41	3rd	4 16 31 33 34 45
2010-11-06	29	6th	3 7 15 22 28 31
2010-07-29	4	2nd	26 31 38 41 47 49
2010-07-15	2	5th	2 14 18 30 31 36
2010-07-08	1	5th	1 7 16 22 31 36
2010-07-03	7	6th	6 11 12 13 20 31
2010-06-10	4	5th	11 17 23 29 31 47
2010-05-27	21	3rd	21 28 31 33 37 46
2010-03-13	1	4th	8 11 22 31 33 47
2010-03-11	1	5th	11 16 24 25 31 35
2010-03-06	16	5th	7 14 20 29 31 32
2010-01-09	15	5th	13 26 29 30 31 43
2009-11-19	1	4th	14 22 30 31 34 46
2009-11-14	8	4th	6 21 30 31 36 47
2009-10-17	8	3rd	3 15 31 44 46 49
2009-09-19	12	6th	1 2 3 16 22 31
2009-08-08	1	5th	2 6 13 19 31 35
2009-08-06	20	5th	12 17 18 19 31 48
2009-05-28	8	3rd	1 17 31 39 44 48
2009-04-30	3	4th	4 11 16 31 42 44
2009-04-18	2	6th	3 5 7 9 16 31
2009-04-11	2	5th	2 6 18 28 31 38
2009-04-04	26	4th	2 19 28 31 37 40
2009-01-03	3	5th	9 11 21 30 31 44
2008-12-25	21	4th	7 16 17 31 34 43
2008-10-11	1	5th	4 14 23 28 31 42
2008-10-09	9	5th	2 11 16 22 31 32
2008-09-06	5	6th	3 4 6 8 28 31
2008-08-21	6	6th	1 4 7 18 30 31
2008-07-31	8	4th	3 4 29 31 34 35
2008-07-03	9	4th	1 10 30 31 36 37
2008-05-31	69	3rd	12 27 31 38 48 49
2007-10-04	41	5th	4 19 23 24 31 41
2007-05-12	8	5th	4 19 24 30 31 42
2007-04-14	4	6th	3 9 18 24 29 31
2007-03-31	1	6th	11 12 17 22 26 31
2007-03-29	1	4th	4 7 26 31 48 49
2007-03-24	25	4th	4 11 18 31 42 47
2006-12-28	2	3rd	21 24 31 34 35 44
2006-12-21	4	5th	4 7 8 27 31 33
2006-12-07	2	4th	6 21 22 31 36 46
2006-11-30	3	5th	1 5 10 17 31 37
2006-11-18	4	4th	13 27 29 31 42 43
2006-11-04	1	4th	12 19 21 31 32 33
2006-11-02	3	5th	2 9 12 30 31 44
2006-10-21	2	5th	11 20 25 29 31 44
2006-10-14	5	5th	8 9 13 23 31 41
2006-09-28	10	5th	4 11 19 28 31 47
2006-08-24	1	5th	2 11 13 19 31 44
2006-08-19	7	4th	3 5 24 31 38 48
2006-07-27	7	4th	12 15 21 31 37 39
2006-07-01	2	4th	14 16 27 31 39 46
2006-06-24	16	3rd	18 26 31 39 46 47
2006-04-29	7	3rd	27 28 31 34 35 42
2006-04-06	18	5th	1 3 12 30 31 38
2006-02-02	5	6th	2 8 12 13 18 31
2006-01-14	2	6th	5 8 13 24 25 31
2006-01-07	11	4th	4 5 28 31 32 35
2005-12-01	15	4th	1 10 16 31 47 48
2005-10-08	21	1st	31 33 34 39 44 46
2005-07-28	2	2nd	11 31 33 40 41 49
2005-07-21	14	5th	6 16 26 27 31 48
2005-06-02	10	6th	3 4 8 19 29 31
2005-04-28	1	4th	4 26 27 31 39 41
2005-04-23	5	3rd	12 29 31 42 43 44
2005-04-07	4	4th	6 13 15 31 40 43
2005-03-24	1	4th	2 13 27 31 34 46
2005-03-19	3	4th	16 18 21 31 35 48
2005-03-10	8	4th	7 12 26 31 34 43
2005-02-10	4	4th	18 22 28 31 48 49
2005-01-27	3	4th	3 10 13 31 42 48
2005-01-15	7	3rd	4 26 31 37 40 44
2004-12-23	23	5th	1 9 21 24 31 43
2004-10-02	19	4th	9 11 25 31 35 39
2004-07-29	4	4th	14 27 28 31 33 41
2004-07-15	6	4th	17 21 28 31 34 40
2004-06-24	3	5th	10 22 24 30 31 45
2004-06-12	1	3rd	13 27 31 32 33 36
2004-06-10	5	2nd	27 31 33 37 45 46
2004-05-22	9	3rd	29 30 31 40 47 48
2004-04-22	7	3rd	17 26 31 36 41 47
2004-03-27	5	5th	5 9 20 28 31 34
2004-03-11	3	3rd	23 26 31 34 37 42
2004-02-28	3	4th	15 20 25 31 37 49
2004-02-19	7	4th	4 12 16 31 38 45
2004-01-24	18	5th	21 22 25 30 31 44
2003-11-22	15	5th	6 21 24 30 31 36
2003-10-02	8	4th	3 24 26 31 43 48
2003-09-04	3	4th	7 8 27 31 42 45
2003-08-23	11	5th	3 6 20 24 31 48
2003-07-17	2	3rd	3 22 31 41 46 47
2003-07-10	2	3rd	3 16 31 33 37 39
2003-07-03	1	4th	3 4 19 31 43 49
2003-06-28	2	3rd	1 15 31 37 40 43
2003-06-21	5	3rd	15 23 31 38 46 47
2003-06-05	3	5th	2 8 9 22 31 43
2003-05-24	4	1st	31 35 36 45 47 49
2003-05-10	13	1st	31 33 34 35 36 42
2003-03-27	32	3rd	1 17 31 43 48 49
2002-12-05	4	4th	2 4 21 31 41 45
2002-11-21	9	6th	7 10 18 19 21 31
2002-10-19	4	4th	1 10 26 31 42 48
2002-10-05	7	3rd	12 29 31 37 44 45
2002-09-12	20	6th	5 6 8 9 12 31
2002-07-04	1	3rd	9 26 31 39 45 49
2002-06-29	3	4th	5 17 25 31 34 43
2002-06-20	2	3rd	7 8 31 37 42 45
2002-06-13	3	3rd	3 4 31 32 39 45
2002-06-01	6	3rd	9 20 31 37 38 40
2002-05-11	13	4th	8 9 23 31 33 38
2002-03-28	5	6th	4 8 10 14 29 31
2002-03-09	2	5th	11 15 23 27 31 37
2002-03-02	11	5th	5 9 23 26 31 43
2002-01-24	26	5th	8 15 22 26 31 36
2001-10-25	4	6th	3 9 16 21 29 31
2001-10-11	4	4th	8 24 30 31 37 49
2001-09-27	5	3rd	3 14 31 37 42 46
2001-09-08	1	5th	3 4 18 22 31 43
2001-09-06	1	3rd	10 24 31 35 36 45
2001-09-01	22	3rd	10 11 31 35 40 44
2001-06-16	2	5th	10 11 15 30 31 48
2001-06-09	32	5th	6 21 24 29 31 39
2001-02-17	5	2nd	4 31 34 43 44 48
2001-02-01	8	4th	11 19 30 31 39 44
2001-01-04	17	6th	2 3 12 19 25 31
2000-11-04	15	4th	1 24 28 31 46 47
2000-09-14	8	3rd	2 26 31 36 39 46
2000-08-17	11	5th	2 12 20 24 31 47
2000-07-08	9	4th	3 25 27 31 37 48
2000-06-08	3	3rd	18 22 31 32 34 45
2000-05-27	17	4th	9 12 30 31 34 38
2000-03-30	4	3rd	5 15 31 42 45 47
2000-03-16	7	4th	7 9 11 31 35 46
2000-02-19	3	2nd	15 31 32 35 38 44
2000-02-10	8	6th	9 10 25 26 27 31
2000-01-13	2	3rd	5 15 31 36 45 47
2000-01-06	10	4th	15 19 29 31 40 46
1999-12-02	6	4th	3 24 25 31 34 36
1999-11-11	15	4th	18 23 30 31 42 48
1999-09-18	11	3rd	3 9 31 39 43 45
1999-08-12	15	3rd	5 21 31 33 41 49
1999-06-19	10	4th	6 19 23 31 33 39
1999-05-15	2	5th	1 15 21 29 31 39
1999-05-08	3	4th	4 5 7 31 38 44
1999-04-29	5	5th	3 17 21 26 31 44
1999-04-10	4	3rd	14 23 31 35 44 49
1999-03-27	3	4th	4 8 14 31 33 34
1999-03-18	4	5th	2 6 14 16 31 46
1999-03-04	3	6th	4 6 21 27 29 31
1999-02-20	2	6th	5 6 7 8 16 31
1999-02-13	2	5th	6 19 28 29 31 45
1999-02-06	7	5th	1 6 24 27 31 38
1999-01-14	6	3rd	4 22 31 38 47 49
1998-12-24	11	4th	17 23 27 31 35 39
1998-11-14	1	3rd	10 15 31 36 42 44
1998-11-12	2	5th	3 6 10 28 31 49
1998-11-05	3	3rd	23 28 31 34 44 49
1998-10-24	8	4th	2 19 28 31 38 47
1998-09-26	2	3rd	12 15 31 33 34 45
1998-09-19	19	4th	7 19 22 31 33 39
1998-07-16	4	4th	2 14 21 31 40 42
1998-07-02	2	4th	9 10 18 31 34 38
1998-06-25	2	4th	2 8 27 31 44 47
1998-06-18	7	4th	18 21 30 31 40 41
1998-05-23	8	6th	7 10 12 14 22 31
1998-04-25	3	2nd	25 31 32 36 38 39
1998-04-16	17	3rd	4 23 31 35 41 42
1998-02-14	6	5th	11 14 23 25 31 45
1998-01-24	2	5th	7 14 15 30 31 38
1998-01-17	48	5th	13 14 24 27 31 32
1997-08-02	4	3rd	19 22 31 32 45 46
1997-07-19	6	4th	4 7 18 31 35 38
1997-06-28	3	3rd	1 21 31 41 44 48
1997-06-19	32	2nd	18 31 37 39 40 42
1997-02-27	7	5th	8 9 13 23 31 37
1997-02-01	1	3rd	9 21 31 39 44 47
1997-01-30	6	6th	3 4 11 12 15 31
1997-01-09	7	5th	12 24 29 30 31 48
1996-12-14	3	5th	17 19 23 26 31 32
1996-12-05	51	4th	2 16 17 31 36 37
1996-06-08	17	3rd	12 20 31 34 36 45
1996-04-11	6	5th	7 8 12 16 31 44
1996-03-21	2	5th	3 13 20 23 31 36
1996-03-14	8	4th	4 5 29 31 36 47
1996-02-15	5	6th	2 6 8 23 26 31
1996-01-27	5	3rd	4 10 31 39 42 47
1996-01-11	1	4th	6 12 13 31 40 45
1996-01-06	2	2nd	5 31 33 40 47 49
1995-12-30	1	3rd	1 19 31 32 36 43
1995-12-28	4	4th	3 6 20 31 36 42
1995-12-14	4	3rd	24 25 31 39 41 45
1995-11-30	7	5th	3 7 10 30 31 37
1995-11-04	10	5th	6 13 22 24 31 34
1995-09-30	14	5th	1 4 12 16 31 42
1995-08-12	5	5th	4 8 11 16 31 37
1995-07-27	1	4th	1 21 30 31 41 48
1995-07-22	27	3rd	1 29 31 36 45 46
1995-04-20	9	4th	6 11 22 31 34 41
1995-03-18	16	3rd	18 19 31 33 35 42
1995-01-21	4	5th	4 7 9 21 31 38
1995-01-07	1	4th	1 2 10 31 33 49
1995-01-05	25	6th	1 9 16 17 20 31
1994-10-08	6	5th	1 4 23 30 31 32
1994-09-17	17	3rd	26 28 31 40 46 47
1994-07-21	21	4th	10 13 28 31 34 38
1994-05-07	11	4th	7 12 25 31 41 43
1994-03-31	1	5th	3 4 13 27 31 45
1994-03-26	9	2nd	21 31 34 40 48 49
1994-02-24	5	4th	11 26 30 31 34 45
1994-02-05	11	4th	3 14 15 31 47 48
1993-12-30	16	5th	4 5 18 30 31 44
1993-11-04	1	4th	21 23 26 31 37 40
1993-10-30	16	3rd	9 23 31 38 40 46
1993-09-04	6	4th	20 22 27 31 38 39
1993-08-14	2	3rd	24 28 31 36 38 48
1993-08-07	20	5th	15 16 20 26 31 41
1993-05-29	8	3rd	12 28 31 38 45 49
1993-05-01	6	3rd	3 4 31 37 39 49
1993-04-10	15	4th	3 17 28 31 33 47
1993-02-18	1	5th	20 22 28 29 31 41
1993-02-13	8	5th	9 16 18 23 31 46
1993-01-16	10	4th	5 13 14 31 36 40
1992-12-12	21	6th	5 9 16 27 28 31
1992-10-01	2	4th	4 20 22 31 37 47
1992-09-24	8	3rd	17 18 31 33 42 45
1992-08-27	5	3rd	5 7 31 37 40 43
1992-08-08	3	5th	8 12 28 30 31 49
1992-07-30	3	5th	7 14 16 25 31 47
1992-07-18	1	5th	10 22 23 28 31 38
1992-07-16	5	5th	15 19 21 30 31 44
1992-06-27	7	4th	5 8 17 31 41 47
1992-06-04	9	3rd	13 26 31 33 42 45
1992-05-02	6	4th	6 11 14 31 39 47
1992-04-11	1	5th	5 19 23 25 31 46
1992-04-09	1	3rd	2 6 31 39 43 44
1992-04-04	10	4th	14 21 25 31 42 46
1992-02-29	6	5th	5 9 15 30 31 37
1992-02-08	42	5th	7 14 15 29 31 49
1991-09-14	9	3rd	4 14 31 38 41 44
1991-08-15	9	4th	14 15 26 31 36 43
1991-07-13	5	4th	5 12 19 31 39 44
1991-06-27	1	4th	17 22 27 31 34 39
1991-06-22	9	3rd	12 17 31 39 47 49
1991-05-02	1	5th	3 12 23 25 31 43
1991-04-25	1	5th	3 15 19 26 31 35
1991-04-18	5	5th	12 13 22 25 31 37
1991-03-14	2	3rd	2 29 31 38 42 45
1991-02-28	6	4th	4 18 29 31 32 46
1991-01-17	4	2nd	23 31 35 41 43 49
1990-12-20	29	4th	12 17 22 31 37 44
1990-07-14	12	5th	17 24 27 30 31 41
1990-06-02	6	2nd	11 31 38 43 46 47
1990-05-10	2	4th	5 13 25 31 33 48
1990-04-26	2	4th	14 20 29 31 37 45
1990-04-12	14	5th	2 4 19 27 31 40
1990-01-04	1	4th	3 18 23 31 36 48
1989-12-28	14	5th	7 20 21 30 31 44
1989-09-21	6	3rd	12 26 31 37 40 45
1989-08-10	5	3rd	5 16 31 34 39 40
1989-07-06	5	6th	1 2 4 5 13 31
1989-06-01	10	5th	13 19 23 27 31 46
1989-03-23	7	3rd	22 28 31 32 34 47
1989-02-02	1	6th	4 17 19 20 25 31
1989-01-26	7	4th	11 19 23 31 33 47
1988-12-08	17	3rd	8 18 31 36 45 49
1988-08-11	11	3rd	19 23 31 36 39 45
1988-05-26	8	4th	4 11 24 31 37 43
1988-03-31	2	5th	4 17 26 28 31 32
1988-03-17	18	5th	10 12 17 19 31 39
1987-11-12	22	4th	11 20 24 31 32 41
1987-06-11	9	4th	10 20 29 31 38 45
1987-04-09	9	4th	4 22 26 31 36 38
1987-02-05	19	5th	12 15 18 25 31 33
1986-09-18	15	3rd	15 25 31 35 36 43
1986-06-05	4	6th	2 5 18 21 30 31
1986-05-08	7	4th	2 20 21 31 36 49
1986-03-20	3	3rd	11 25 31 35 41 45
1986-02-27	—	4th	3 26 28 31 46 49