30989583144 has 48 divisors (see below), whose sum is σ = 90386286900. Its totient is φ = 9535256064.

The previous prime is 30989583109. The next prime is 30989583173. The reversal of 30989583144 is 44138598903.

It can be written as a sum of positive squares in 2 ways, for example, as 29708659044 + 1280924100 = 172362^2 + 35790^2 .

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, 16553329 + ... + 16555200.

Almost surely, 2^30989583144 is an apocalyptic number.

It is an amenable number.

30989583144 is an abundant number, since it is smaller than the sum of its proper divisors (59396703756).

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

30989583144 is a wasteful number, since it uses less digits than its factorization.

30989583144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33108554 (or 33108547 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 30989583144 in words is "thirty billion, nine hundred eighty-nine million, five hundred eighty-three thousand, one hundred forty-four".