Lotto · every number
31
Number 31 In Lotto under the 6/49 + 1/49 · Jan 2010 – Aug 2017 rules — 789 draws, 6 from 1–49 (an earlier era).
6/58 + 1/56 · since Sep 2025 6/52 + 1/52 · Aug 2017 – Sep 2025 6/49 + 1/49 · Jan 2010 – Aug 2017 89 times drawn · chance expected 97 −0.83σ
2 draws waiting · a wait this long: 88% for any number
8.9 average wait between appearances · chance says 8.2
44 longest completed wait · 27% chance of one at least that long
31 is drawn as often as chance explains Drawn 89 times in 789 draws against 96.6 expected, −0.83σ. Each draw is independent: after 2 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 22 times, counted separately.
31 Number 31, draw by draw Drawn 89 times in 789 draws · average wait 8.9 draws · longest completed wait 44 · waiting 2 draws now
9 draws: 2010-01-02 to 2010-02-03 1 draws: 2010-02-03 to 2010-02-06 20 draws: 2010-02-06 to 2010-04-17 24 draws: 2010-04-17 to 2010-07-10 12 draws: 2010-07-10 to 2010-08-21 4 draws: 2010-08-21 to 2010-09-04 2 draws: 2010-09-04 to 2010-09-11 22 draws: 2010-09-11 to 2010-11-27 6 draws: 2010-11-27 to 2010-12-18 2 draws: 2010-12-18 to 2010-12-29 1 draws: 2010-12-29 to 2011-01-01 7 draws: 2011-01-01 to 2011-01-26 1 draws: 2011-01-26 to 2011-01-29 7 draws: 2011-01-29 to 2011-02-23 4 draws: 2011-02-23 to 2011-03-09 1 draws: 2011-03-09 to 2011-03-12 13 draws: 2011-03-12 to 2011-04-27 25 draws: 2011-04-27 to 2011-07-23 9 draws: 2011-07-23 to 2011-08-24 3 draws: 2011-08-24 to 2011-09-03 2 draws: 2011-09-03 to 2011-09-10 24 draws: 2011-09-10 to 2011-12-03 4 draws: 2011-12-03 to 2011-12-17 9 draws: 2011-12-17 to 2012-01-18 4 draws: 2012-01-18 to 2012-02-01 4 draws: 2012-02-01 to 2012-02-15 15 draws: 2012-02-15 to 2012-04-07 16 draws: 2012-04-07 to 2012-06-02 9 draws: 2012-06-02 to 2012-07-04 2 draws: 2012-07-04 to 2012-07-11 3 draws: 2012-07-11 to 2012-07-21 26 draws: 2012-07-21 to 2012-10-20 7 draws: 2012-10-20 to 2012-11-14 21 draws: 2012-11-14 to 2013-01-26 9 draws: 2013-01-26 to 2013-02-27 6 draws: 2013-02-27 to 2013-03-20 2 draws: 2013-03-20 to 2013-03-27 2 draws: 2013-03-27 to 2013-04-03 26 draws: 2013-04-03 to 2013-07-03 7 draws: 2013-07-03 to 2013-07-27 22 draws: 2013-07-27 to 2013-10-12 1 draws: 2013-10-12 to 2013-10-16 2 draws: 2013-10-16 to 2013-10-23 11 draws: 2013-10-23 to 2013-11-30 5 draws: 2013-11-30 to 2013-12-18 18 draws: 2013-12-18 to 2014-02-22 5 draws: 2014-02-22 to 2014-03-12 44 draws: 2014-03-12 to 2014-08-13 12 draws: 2014-08-13 to 2014-09-24 10 draws: 2014-09-24 to 2014-10-29 23 draws: 2014-10-29 to 2015-01-17 1 draws: 2015-01-17 to 2015-01-21 2 draws: 2015-01-21 to 2015-01-28 11 draws: 2015-01-28 to 2015-03-07 21 draws: 2015-03-07 to 2015-05-20 15 draws: 2015-05-20 to 2015-07-11 2 draws: 2015-07-11 to 2015-07-18 12 draws: 2015-07-18 to 2015-08-29 11 draws: 2015-08-29 to 2015-10-07 5 draws: 2015-10-07 to 2015-10-24 1 draws: 2015-10-24 to 2015-10-28 2 draws: 2015-10-28 to 2015-11-04 11 draws: 2015-11-04 to 2015-12-12 8 draws: 2015-12-12 to 2016-01-09 8 draws: 2016-01-09 to 2016-02-06 2 draws: 2016-02-06 to 2016-02-13 10 draws: 2016-02-13 to 2016-03-19 2 draws: 2016-03-19 to 2016-03-26 4 draws: 2016-03-26 to 2016-04-09 2 draws: 2016-04-09 to 2016-04-16 2 draws: 2016-04-16 to 2016-04-23 11 draws: 2016-04-23 to 2016-06-01 13 draws: 2016-06-01 to 2016-07-16 21 draws: 2016-07-16 to 2016-09-28 2 draws: 2016-09-28 to 2016-10-05 18 draws: 2016-10-05 to 2016-12-07 13 draws: 2016-12-07 to 2017-01-21 2 draws: 2017-01-21 to 2017-01-28 4 draws: 2017-01-28 to 2017-02-11 2 draws: 2017-02-11 to 2017-02-18 4 draws: 2017-02-18 to 2017-03-04 3 draws: 2017-03-04 to 2017-03-15 4 draws: 2017-03-15 to 2017-03-29 1 draws: 2017-03-29 to 2017-04-01 22 draws: 2017-04-01 to 2017-06-17 2 draws: 2017-06-17 to 2017-06-24 5 draws: 2017-06-24 to 2017-07-12 3 draws: 2017-07-12 to 2017-07-22 Still waiting — at least 2 draws since 2017-07-22 2010-01-02 2010-02-03 2010-02-06 2010-04-17 2010-07-10 2010-08-21 2010-09-04 2010-09-11 2010-11-27 2010-12-18 2010-12-29 2011-01-01 2011-01-26 2011-01-29 2011-02-23 2011-03-09 2011-03-12 2011-04-27 2011-07-23 2011-08-24 2011-09-03 2011-09-10 2011-12-03 2011-12-17 2012-01-18 2012-02-01 2012-02-15 2012-04-07 2012-06-02 2012-07-04 2012-07-11 2012-07-21 2012-10-20 2012-11-14 2013-01-26 2013-02-27 2013-03-20 2013-03-27 2013-04-03 2013-07-03 2013-07-27 2013-10-12 2013-10-16 2013-10-23 2013-11-30 2013-12-18 2014-02-22 2014-03-12 2014-08-13 2014-09-24 2014-10-29 2015-01-17 2015-01-21 2015-01-28 2015-03-07 2015-05-20 2015-07-11 2015-07-18 2015-08-29 2015-10-07 2015-10-24 2015-10-28 2015-11-04 2015-12-12 2016-01-09 2016-02-06 2016-02-13 2016-03-19 2016-03-26 2016-04-09 2016-04-16 2016-04-23 2016-06-01 2016-07-16 2016-09-28 2016-10-05 2016-12-07 2017-01-21 2017-01-28 2017-02-11 2017-02-18 2017-03-04 2017-03-15 2017-03-29 2017-04-01 2017-06-17 2017-06-24 2017-07-12 2017-07-22 2010-01-02 2017-07-29
1 draws: 8 times 2 draws: 18 times 3 draws: 4 times 4 draws: 9 times 5 draws: 4 times 6 draws: 2 times 7 draws: 4 times 8 draws: 2 times 9 draws: 5 times 10 draws: 2 times 11 draws: 5 times 12 draws: 3 times 13 draws: 3 times 14 draws: 0 times 15 draws: 2 times 16 draws: 1 time 17 draws: 0 times 18 draws: 2 times 19 draws: 0 times 20 draws: 1 time 21 draws: 3 times 22 draws: 3 times 23 draws: 1 time 24 draws: 2 times 25 draws: 1 time 26 draws: 2 times 27 draws: 0 times 28 draws: 0 times 29 draws: 0 times 30 draws: 0 times 31 draws: 0 times 32 draws: 0 times 33 draws: 0 times 34 draws: 0 times 35 draws: 0 times 36 draws: 0 times 37 draws: 0 times 38 draws: 0 times 39 draws: 0 times 40 draws: 0 times 41 draws: 0 times 42 draws: 0 times 43 draws: 0 times 44 draws: 1 time 45 draws: 0 times its own waits draws between appearances 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 smallest 1 · chance 0.4 2nd smallest 5 · chance 4.8 3rd smallest 18 · chance 18.4 4th smallest 29 · chance 32.3 5th smallest 24 · chance 25.6 6th smallest 12 · chance 7.4 Every position’s lane →
The company it keeps Seen most often with these — chance gives every partner about 9.3 shared draws, and the leaders are simply the ones that came out ahead this time.
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 ← number 30 Every number number 32 → 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.