12313112031 has 48 divisors (see below), whose sum is σ = 20443018752. Its totient is φ = 7068600000.

The previous prime is 12313112017. The next prime is 12313112033. The reversal of 12313112031 is 13021131321.

It is not a de Polignac number, because 12313112031 - 2¹³ = 12313103839 is a prime.

It is a super-2 number, since 2×12313112031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313111995 and 12313112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313112033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208281 + ... + 260781.

It is an arithmetic number, because the mean of its divisors is an integer number (425896224).

Almost surely, 2^12313112031 is an apocalyptic number.

12313112031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12313112031 is a deficient number, since it is larger than the sum of its proper divisors (8129906721).

12313112031 is a wasteful number, since it uses less digits than its factorization.

12313112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52644 (or 52641 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12313112031 its reverse (13021131321), we get a palindrome (25334243352).

The spelling of 12313112031 in words is "twelve billion, three hundred thirteen million, one hundred twelve thousand, thirty-one".