30981820232 has 32 divisors (see below), whose sum is σ = 64917568800. Its totient is φ = 13739164800.

The previous prime is 30981820169. The next prime is 30981820369. The reversal of 30981820232 is 23202818903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4289882 + ... + 4297097.

It is an arithmetic number, because the mean of its divisors is an integer number (2028674025).

Almost surely, 2^30981820232 is an apocalyptic number.

It is an amenable number.

30981820232 is an abundant number, since it is smaller than the sum of its proper divisors (33935748568).

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

30981820232 is a wasteful number, since it uses less digits than its factorization.

30981820232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8587037 (or 8587033 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 30981820232 in words is "thirty billion, nine hundred eighty-one million, eight hundred twenty thousand, two hundred thirty-two".