Number 31

In Lightning Lotto under the 5/49 · since May 2026 rules — 139 draws, 5 from 1–49.

19times drawn · chance expected 14 +1.35σ

26draws waiting · a wait this long: 7% for any number

5.9average wait between appearances · chance says 9.8

14longest completed wait · 99% chance of one at least that long

31 is drawn as often as chance explains

Drawn 19 times in 139 draws against 14.2 expected, +1.35σ. Each draw is independent: after 26 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 31, draw by draw

Drawn 19 times in 139 draws · average wait 5.9 draws · longest completed wait 14 · waiting 26 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 0.3
2nd smallest1 · chance 2.4
3rd smallest7 · chance 6.5
4th smallest8 · chance 7.1
5th smallest3 · chance 2.7

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 1.6 shared draws, and the leaders are simply the ones that came out ahead this time.

28 10 13 14 16 19

Never drawn alongside 10 of the other 48 numbers; chance expects about 10 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
2026-09-15	6	4th	3 14 19 31 44
2026-09-09	1	4th	1 15 22 31 39
2026-09-08	10	3rd	18 19 31 36 44
2026-08-29	10	3rd	5 24

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 5/49 tonight whatever it did last week.