Number 31

In Bank a Million under the 6/40 + 1/40 · since Sep 2015 rules — 1,163 draws, 6 from 1–40.

174times drawn · chance expected 174 −0.04σ

6draws waiting · a wait this long: 44% for any number

6.6average wait between appearances · chance says 6.7

28longest completed wait · 89% chance of one at least that long

31 is drawn as often as chance explains

Drawn 174 times in 1,163 draws against 174.4 expected, −0.04σ. Each draw is independent: after 6 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 32 times, counted separately.

Number 31, draw by draw

Drawn 174 times in 1,163 draws · average wait 6.6 draws · longest completed wait 28 · waiting 6 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 smallest1 · chance 0.0
2nd smallest1 · chance 1.1
3rd smallest11 · chance 11.0
4th smallest50 · chance 44.2
5th smallest69 · chance 74.5
6th smallest42 · chance 43.1

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 22.3 shared draws, and the leaders are simply the ones that came out ahead this time.

14 39 21 30 22 23

It has shared a draw with every one of the other 39 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 40. 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
2026-09-30	5	4th	5 12 24 31 32 36
2026-09-12	7	4th	3 8 25 31 38 39
2026-08-19	5	4th	7 26 27 31 34 38
2026-08-01

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 6/40 tonight whatever it did last week.

2025-05-28	7	5th	8 20 21 30 31 40
2025-05-03	6	3rd	8 30 31 33 36 37
2025-04-12	5	4th	7 12 28 31 33 38
2025-03-26	3	4th	7 17 29 31 35 39
2025-03-15	8	4th	3 13 24 31 39 40
2025-02-15	3	5th	4 12 14 19 31 37
2025-02-05	8	5th	2 12 23 25 31 32
2025-01-08	1	3rd	2 9 31 35 37 39
2025-01-04	10	5th	7 13 22 30 31 39
2024-11-30	4	6th	1 8 15 17 22 31
2024-11-16	22	5th	8 14 24 29 31 39
2024-08-31	15	6th	2 10 15 21 26 31
2024-07-10	2	5th	2 7 9 30 31 37
2024-07-03	9	6th	5 8 23 25 29 31
2024-06-01	1	4th	3 14 21 31 37 39
2024-05-29	1	5th	4 6 12 27 31 34
2024-05-25	2	6th	2 4 5 12 14 31
2024-05-18	4	4th	14 20 23 31 32 40
2024-05-04	1	5th	2 4 23 26 31 38
2024-05-01	3	4th	1 14 20 31 36 39
2024-04-20	21	6th	4 11 22 25 27 31
2024-02-07	5	4th	16 22 29 31 36 40
2024-01-20	20	4th	12 23 26 31 32 38
2023-11-11	15	6th	11 13 18 23 27 31
2023-09-20	2	3rd	2 5 31 34 36 38
2023-09-13	6	3rd	3 18 31 35 38 40
2023-08-23	5	5th	9 12 13 21 31 34
2023-08-05	1	4th	6 12 26 31 37 39
2023-08-02	2	4th	9 18 25 31 34 40
2023-07-26	3	4th	3 6 22 31 32 35
2023-07-15	12	4th	1 5 19 31 32 36
2023-06-03	1	3rd	13 15 31 36 38 39
2023-05-31	21	5th	6 20 29 30 31 36
2023-03-18	4	6th	8 11 20 21 22 31
2023-03-04	21	5th	2 5 18 23 31 39
2022-12-21	3	5th	11 14 22 27 31 40
2022-12-10	1	6th	5 16 18 27 30 31
2022-12-07	5	5th	4 5 14 21 31 37
2022-11-19	3	4th	4 10 24 31 32 33
2022-11-09	1	6th	1 5 22 25 30 31
2022-11-05	5	3rd	17 26 31 32 34 37
2022-10-19	3	4th	1 13 19 31 35 39
2022-10-08	2	4th	3 13 17 31 35 40
2022-10-01	4	4th	6 14 21 31 35 39
2022-09-17	17	5th	8 9 12 27 31 34
2022-07-20	2	6th	4 14 20 23 28 31
2022-07-13	3	5th	7 11 26 27 31 39
2022-07-02	1	5th	10 11 20 30 31 39
2022-06-29	18	5th	4 17 22 30 31 40
2022-04-27	3	6th	3 4 9 13 27 31
2022-04-16	1	6th	1 2 10 14 27 31
2022-04-13	11	6th	6 9 11 13 23 31
2022-03-05	2	4th	21 22 28 31 34 36
2022-02-26	12	4th	1 15 21 31 34 39
2022-01-15	15	5th	6 11 18 29 31 39
2021-11-24	5	3rd	1 21 31 32 39 40
2021-11-06	4	5th	7 16 20 29 31 37
2021-10-23	6	5th	10 19 20 23 31 33
2021-10-02	3	5th	3 10 26 29 31 38
2021-09-22	2	5th	1 5 14 24 31 37
2021-09-15	1	6th	4 24 26 27 30 31
2021-09-11	6	5th	3 24 25 28 31 38
2021-08-21	14	6th	16 20 24 27 28 31
2021-07-03	8	5th	9 21 29 30 31 36
2021-06-05	9	5th	13 15 19 28 31 34
2021-05-05	3	4th	4 11 16 31 32 38
2021-04-24	2	4th	5 7 15 31 32 38
2021-04-17	6	5th	3 18 22 30 31 34
2021-03-27	2	2nd	7 31 33 35 36 38
2021-03-20	5	5th	1 9 23 29 31 34
2021-03-03	2	1st	31 32 33 34 37 38
2021-02-24	3	5th	4 9 13 20 31 38
2021-02-13	1	4th	23 29 30 31 33 37
2021-02-10	10	6th	1 3 13 15 30 31
2021-01-06	2	5th	5 27 29 30 31 37
2020-12-30	5	3rd	5 16 31 33 38 39
2020-12-12	4	4th	2 13 22 31 37 40
2020-11-28	1	5th	2 9 17 30 31 38
2020-11-25	3	5th	6 10 13 19 31 38
2020-11-14	2	5th	10 15 22 29 31 33
2020-11-07	11	5th	3 6 14 20 31 39
2020-09-30	4	5th	9 14 22 24 31 40
2020-09-16	3	6th	9 11 14 27 29 31
2020-09-05	1	5th	3 11 18 24 31 32
2020-09-02	2	4th	12 24 30 31 38 39
2020-08-26	1	5th	9 15 23 25 31 39
2020-08-22	5	4th	9 18 23 31 33 40
2020-08-05	1	4th	1 6 26 31 34 35
2020-08-01	6	6th	11 12 14 21 28 31
2020-07-11	4	5th	15 21 24 26 31 37
2020-06-27	1	5th	3 4 5 11 31 33
2020-06-24	14	6th	5 6 8 16 20 31
2020-05-06	1	5th	7 12 14 21 31 40
2020-05-02	14	4th	3 9 19 31 32 34
2020-03-14	8	6th	1 8 21 22 29 31
2020-02-15	10	5th	8 14 19 22 31 35
2020-01-11	1	5th	7 10 25 27 31 34
2020-01-08	6	5th	2 14 15 21 31 38
2019-12-18	3	6th	2 5 14 26 29 31
2019-12-07	3	5th	2 5 13 18 31 33
2019-11-27	27	4th	16 23 27 31 39 40
2019-08-24	3	6th	4 11 19 23 30 31
2019-08-14	8	3rd	13 15 31 32 34 35
2019-07-17	3	4th	4 10 26 31 36 39
2019-07-06	5	6th	14 15 17 27 28 31
2019-06-19	5	5th	17 21 24 30 31 38
2019-06-01	12	5th	3 13 22 26 31 34
2019-04-20	28	5th	2 6 19 21 31 33
2019-01-12	6	6th	1 6 8 13 30 31
2018-12-22	3	4th	6 14 19 31 36 39
2018-12-12	16	4th	3 13 16 31 37 39
2018-10-17	4	4th	20 23 26 31 32 39
2018-10-03	7	6th	5 8 9 10 26 31
2018-09-08	5	6th	3 9 14 23 27 31
2018-08-22	23	5th	7 12 19 25 31 39
2018-06-02	1	6th	6 7 11 21 22 31
2018-05-30	4	4th	3 7 21 31 33 35
2018-05-16	25	6th	5 13 21 22 30 31
2018-02-17	11	6th	11 17 22 27 30 31
2018-01-10	2	4th	6 7 8 31 36 37
2018-01-03	2	5th	5 9 11 17 31 33
2017-12-27	8	5th	1 4 10 16 31 33
2017-11-29	7	5th	3 10 13 25 31 34
2017-11-04	6	6th	7 9 12 13 18 31
2017-10-14	1	5th	7 10 25 29 31 32
2017-10-11	6	5th	5 14 15 17 31 39
2017-09-20	8	6th	3 8 22 23 28 31
2017-08-23	23	4th	5 12 21 31 33 36
2017-06-03	1	5th	4 16 24 25 31 35
2017-05-31	6	5th	14 20 22 28 31 37
2017-05-10	27	5th	6 16 17 28 31 33
2017-02-04	11	5th	2 13 14 21 31 34
2016-12-28	3	4th	12 21 24 31 33 34
2016-12-17	2	6th	5 11 12 18 27 31
2016-12-10	6	4th	18 19 23 31 32 35
2016-11-19	18	4th	4 10 29 31 34 36
2016-09-17	5	4th	7 15 26 31 33 37
2016-08-31	16	4th	16 20 29 31 39 40
2016-07-06	5	5th	14 23 25 26 31 40
2016-06-18	5	5th	4 14 21 22 31 39
2016-06-01	22	3rd	3 7 31 32 33 37
2016-03-16	1	5th	11 23 29 30 31 38
2016-03-12	6	6th	3 14 19 20 21 31
2016-02-20	14	5th	6 14 19 23 31 32
2016-01-02	7	6th	3 4 5 9 22 31
2015-12-09	9	5th	8 21 22 23 31 33
2015-11-07	6	4th	2 4 7 31 32 39
2015-10-17	2	6th	7 15 16 18 24 31
2015-10-10	3	4th	6 11 30 31 36 38
2015-09-30	—	5th	9 14 20 21 31 33