90031301232 has 40 divisors (see below), whose sum is σ = 246262090896. Its totient is φ = 28245113856.

The previous prime is 90031301221. The next prime is 90031301251. The reversal of 90031301232 is 23210313009.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55165423 + ... + 55167054.

Almost surely, 2^90031301232 is an apocalyptic number.

It is an amenable number.

90031301232 is an abundant number, since it is smaller than the sum of its proper divisors (156230789664).

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

90031301232 is a wasteful number, since it uses less digits than its factorization.

90031301232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110332505 (or 110332499 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The spelling of 90031301232 in words is "ninety billion, thirty-one million, three hundred one thousand, two hundred thirty-two".