30894872132 has 12 divisors (see below), whose sum is σ = 54069650796. Its totient is φ = 15446400480.

The previous prime is 30894872131. The next prime is 30894872137. The reversal of 30894872132 is 23127849803.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2943713536 + 27951158596 = 54256^2 + 167186^2 .

It is not an unprimeable number, because it can be changed into a prime (30894872131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 189719 + ... + 312702.

It is an arithmetic number, because the mean of its divisors is an integer number (4505804233).

Almost surely, 2^30894872132 is an apocalyptic number.

It is an amenable number.

30894872132 is a deficient number, since it is larger than the sum of its proper divisors (23174778664).

30894872132 is a wasteful number, since it uses less digits than its factorization.

30894872132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517798 (or 517796 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 30894872132 in words is "thirty billion, eight hundred ninety-four million, eight hundred seventy-two thousand, one hundred thirty-two".