12313303231 has 8 divisors (see below), whose sum is σ = 12474921600. Its totient is φ = 12152738208.

The previous prime is 12313303217. The next prime is 12313303237. The reversal of 12313303231 is 13230331321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12313303231 - 2⁹ = 12313302719 is a prime.

It is a super-2 number, since 2×12313303231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313303237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239791 + ... + 286576.

It is an arithmetic number, because the mean of its divisors is an integer number (1559365200).

Almost surely, 2^12313303231 is an apocalyptic number.

12313303231 is a deficient number, since it is larger than the sum of its proper divisors (161618369).

12313303231 is a wasteful number, since it uses less digits than its factorization.

12313303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526673.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12313303231 its reverse (13230331321), we get a palindrome (25543634552).

The spelling of 12313303231 in words is "twelve billion, three hundred thirteen million, three hundred three thousand, two hundred thirty-one".