12313230031 has 4 divisors (see below), whose sum is σ = 12737824200. Its totient is φ = 11888635864.

The previous prime is 12313229993. The next prime is 12313230047. The reversal of 12313230031 is 13003231321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12313230031 - 2¹⁵ = 12313197263 is a prime.

It is a super-2 number, since 2×12313230031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12313229990 and 12313230008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313230931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212297041 + ... + 212297098.

It is an arithmetic number, because the mean of its divisors is an integer number (3184456050).

Almost surely, 2^12313230031 is an apocalyptic number.

12313230031 is a deficient number, since it is larger than the sum of its proper divisors (424594169).

12313230031 is an equidigital number, since it uses as much as digits as its factorization.

12313230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424594168.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12313230031 its reverse (13003231321), we get a palindrome (25316461352).

The spelling of 12313230031 in words is "twelve billion, three hundred thirteen million, two hundred thirty thousand, thirty-one".