521531316130 has 32 divisors (see below), whose sum is σ = 1024143740928. Its totient is φ = 189639254400.

The previous prime is 521531316023. The next prime is 521531316167. The reversal of 521531316130 is 31613135125.

It is a junction number, because it is equal to n+sod(n) for n = 521531316092 and 521531316101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694190 + ... + 2881270.

It is an arithmetic number, because the mean of its divisors is an integer number (32004491904).

Almost surely, 2^521531316130 is an apocalyptic number.

521531316130 is a deficient number, since it is larger than the sum of its proper divisors (502612424798).

521531316130 is a wasteful number, since it uses less digits than its factorization.

521531316130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212442.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 521531316130 in words is "five hundred twenty-one billion, five hundred thirty-one million, three hundred sixteen thousand, one hundred thirty".