12313403131 has 16 divisors (see below), whose sum is σ = 13020573600. Its totient is φ = 11612256768.

The previous prime is 12313403129. The next prime is 12313403153. The reversal of 12313403131 is 13130431321.

It is a cyclic number.

It is not a de Polignac number, because 12313403131 - 2¹ = 12313403129 is a prime.

It is a super-2 number, since 2×12313403131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313403111) 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, 8268835 + ... + 8270323.

It is an arithmetic number, because the mean of its divisors is an integer number (813785850).

Almost surely, 2^12313403131 is an apocalyptic number.

12313403131 is a deficient number, since it is larger than the sum of its proper divisors (707170469).

12313403131 is a wasteful number, since it uses less digits than its factorization.

12313403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12313403131 its reverse (13130431321), we get a palindrome (25443834452).

The spelling of 12313403131 in words is "twelve billion, three hundred thirteen million, four hundred three thousand, one hundred thirty-one".