Number 31

In BC/49 under the 6/49 + 1/49 · since Nov 2024 rules — 202 draws, 6 from 1–49.

18times drawn · chance expected 25 −1.45σ

12draws waiting · a wait this long: 24% for any number

10.9average wait between appearances · chance says 8.2

26longest completed wait · 48% chance of one at least that long

31 is drawn as often as chance explains

Drawn 18 times in 202 draws against 24.7 expected, −1.45σ. Each draw is independent: after 12 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 5 times, counted separately.

Number 31, draw by draw

Drawn 18 times in 202 draws · average wait 10.9 draws · longest completed wait 26 · waiting 12 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 smallest0 · chance 0.1
2nd smallest0 · chance 1.0
3rd smallest6 · chance 3.7
4th smallest6 · chance 6.5
5th smallest5 · chance 5.2
6th smallest1 · chance 1.5

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 1.9 shared draws, and the leaders are simply the ones that came out ahead this time.

7 6 25 29 39 49

Never drawn alongside 7 of the other 48 numbers; chance expects about 7 such strangers 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
2026-08-29	5	3rd	7 9 31 32 33 47
2026-08-12	26	3rd	4 7 31 35 39 48
2026-05-13	5	4th	6 19 20 31 34 48
2026-04-25	8	3rd	12

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.