30913797945942 has 24 divisors (see below), whose sum is σ = 66980485616616. Its totient is φ = 10304508535776.

The previous prime is 30913797945911. The next prime is 30913797945971. The reversal of 30913797945942 is 24954979731903.

30913797945942 is a `hidden beast` number, since 30 + 9 + 1 + 3 + 79 + 79 + 459 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5448988 + ... + 9566559.

It is an arithmetic number, because the mean of its divisors is an integer number (2790853567359).

Almost surely, 2^{30913797945942} is an apocalyptic number.

30913797945942 is an abundant number, since it is smaller than the sum of its proper divisors (36066687670674).

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

30913797945942 is a wasteful number, since it uses less digits than its factorization.

30913797945942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15129932 (or 15129929 counting only the distinct ones).

The product of its (nonzero) digits is 462944160, while the sum is 72.

The spelling of 30913797945942 in words is "thirty trillion, nine hundred thirteen billion, seven hundred ninety-seven million, nine hundred forty-five thousand, nine hundred forty-two".