12313200231 has 16 divisors (see below), whose sum is σ = 18550963200. Its totient is φ = 8069666904.

The previous prime is 12313200227. The next prime is 12313200233. The reversal of 12313200231 is 13200231321.

12313200231 is a `hidden beast` number, since 1 + 231 + 3 + 200 + 231 = 666.

It is not a de Polignac number, because 12313200231 - 2² = 12313200227 is a prime.

It is a super-2 number, since 2×12313200231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313200233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3863191 + ... + 3866376.

It is an arithmetic number, because the mean of its divisors is an integer number (1159435200).

Almost surely, 2^12313200231 is an apocalyptic number.

12313200231 is a deficient number, since it is larger than the sum of its proper divisors (6237762969).

12313200231 is an equidigital number, since it uses as much as digits as its factorization.

12313200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729635 (or 7729629 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12313200231 its reverse (13200231321), we get a palindrome (25513431552).

The spelling of 12313200231 in words is "twelve billion, three hundred thirteen million, two hundred thousand, two hundred thirty-one".