313131400023 has 32 divisors (see below), whose sum is σ = 476117913600. Its totient is φ = 181344093696.

The previous prime is 313131400013. The next prime is 313131400033. The reversal of 313131400023 is 320004131313.

It is an interprime number because it is at equal distance from previous prime (313131400013) and next prime (313131400033).

It is not a de Polignac number, because 313131400023 - 2⁸ = 313131399767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313131400013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11601618 + ... + 11628576.

It is an arithmetic number, because the mean of its divisors is an integer number (14878684800).

Almost surely, 2^313131400023 is an apocalyptic number.

313131400023 is a deficient number, since it is larger than the sum of its proper divisors (162986513577).

313131400023 is a wasteful number, since it uses less digits than its factorization.

313131400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44511.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 313131400023 its reverse (320004131313), we get a palindrome (633135531336).

The spelling of 313131400023 in words is "three hundred thirteen billion, one hundred thirty-one million, four hundred thousand, twenty-three".