30000431488 has 32 divisors (see below), whose sum is σ = 63282164760. Its totient is φ = 14117849088.

The previous prime is 30000431467. The next prime is 30000431497. The reversal of 30000431488 is 88413400003.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6891306 + ... + 6895657.

Almost surely, 2^30000431488 is an apocalyptic number.

It is an amenable number.

30000431488 is an abundant number, since it is smaller than the sum of its proper divisors (33281733272).

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

30000431488 is a wasteful number, since it uses less digits than its factorization.

30000431488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13786994 (or 13786982 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 30000431488 in words is "thirty billion, four hundred thirty-one thousand, four hundred eighty-eight".