1311

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
3
19
23

Its 8 divisors are:
1
3
19
23
57
69
437
1311
Its aliquote sum is:
609
makeing it a deficient number.

As Unicode codepoint (since version 5.1) this number represents this character:ԟ CYRILLIC SMALL LETTER ALEUT KA in Cyrillic_Sup (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1311); HTML: ԟ

The number appears at position 4506 of the decimal digits of π surrounded by
89573596145890193897131117904297828564750320 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 845.409ms; cpu: 90.4480000000003ms)