313123131004 has 12 divisors (see below), whose sum is σ = 549835670664. Its totient is φ = 156027225104.

The previous prime is 313123131001. The next prime is 313123131047. The reversal of 313123131004 is 400131321313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133583782 + ... + 133586125.

It is an arithmetic number, because the mean of its divisors is an integer number (45819639222).

Almost surely, 2^313123131004 is an apocalyptic number.

It is an amenable number.

313123131004 is a deficient number, since it is larger than the sum of its proper divisors (236712539660).

313123131004 is a wasteful number, since it uses less digits than its factorization.

313123131004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267170204 (or 267170202 counting only the distinct ones).

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

Adding to 313123131004 its reverse (400131321313), we get a palindrome (713254452317).

The spelling of 313123131004 in words is "three hundred thirteen billion, one hundred twenty-three million, one hundred thirty-one thousand, four".