313531022453564 has 24 divisors (see below), whose sum is σ = 549917907588000. Its totient is φ = 156411953994240.

The previous prime is 313531022453489. The next prime is 313531022453581. The reversal of 313531022453564 is 465354220135313.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37954289 + ... + 45470760.

It is an arithmetic number, because the mean of its divisors is an integer number (22913246149500).

Almost surely, 2^{313531022453564} is an apocalyptic number.

It is an amenable number.

313531022453564 is a deficient number, since it is larger than the sum of its proper divisors (236386885134436).

313531022453564 is a wasteful number, since it uses less digits than its factorization.

313531022453564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83427173 (or 83427171 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

Adding to 313531022453564 its reverse (465354220135313), we get a palindrome (778885242588877).

The spelling of 313531022453564 in words is "three hundred thirteen trillion, five hundred thirty-one billion, twenty-two million, four hundred fifty-three thousand, five hundred sixty-four".