30531314520 has 96 divisors (see below), whose sum is σ = 113402034720. Its totient is φ = 6978585600.

The previous prime is 30531314507. The next prime is 30531314549. The reversal of 30531314520 is 2541313503.

30531314520 is a `hidden beast` number, since 3 + 0 + 5 + 3 + 131 + 4 + 520 = 666.

It is a super-2 number, since 2×30531314520² (a number of 22 digits) contains 22 as substring.

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, 6055281 + ... + 6060320.

It is an arithmetic number, because the mean of its divisors is an integer number (1181271195).

Almost surely, 2^30531314520 is an apocalyptic number.

30531314520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30531314520 is an abundant number, since it is smaller than the sum of its proper divisors (82870720200).

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

30531314520 is a wasteful number, since it uses less digits than its factorization.

30531314520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115625 (or 12115618 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 30531314520 in words is "thirty billion, five hundred thirty-one million, three hundred fourteen thousand, five hundred twenty".