313131031001300 has 72 divisors (see below), whose sum is σ = 695489883256896. Its totient is φ = 122337240917760.

The previous prime is 313131031001293. The next prime is 313131031001311. The reversal of 313131031001300 is 3100130131313.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207474614 + ... + 208978413.

Almost surely, 2^{313131031001300} is an apocalyptic number.

It is an amenable number.

313131031001300 is an abundant number, since it is smaller than the sum of its proper divisors (382358852255596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313131031001300 is a wasteful number, since it uses less digits than its factorization.

313131031001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416453217 (or 416453210 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 313131031001300 its reverse (3100130131313), we get a palindrome (316231161132613).

The spelling of 313131031001300 in words is "three hundred thirteen trillion, one hundred thirty-one billion, thirty-one million, one thousand, three hundred".