30816228925 has 6 divisors (see below), whose sum is σ = 38212123898. Its totient is φ = 24652983120.

The previous prime is 30816228881. The next prime is 30816228977. The reversal of 30816228925 is 52982261803.

It can be written as a sum of positive squares in 3 ways, for example, as 782992324 + 30033236601 = 27982^2 + 173301^2 .

It is not a de Polignac number, because 30816228925 - 2²⁷ = 30682011197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616324554 + ... + 616324603.

Almost surely, 2^30816228925 is an apocalyptic number.

It is an amenable number.

30816228925 is a deficient number, since it is larger than the sum of its proper divisors (7395894973).

30816228925 is a wasteful number, since it uses less digits than its factorization.

30816228925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232649167 (or 1232649162 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 30816228925 in words is "thirty billion, eight hundred sixteen million, two hundred twenty-eight thousand, nine hundred twenty-five".