31231123021232 has 40 divisors (see below), whose sum is σ = 61414778149056. Its totient is φ = 15382158175296.

The previous prime is 31231123021213. The next prime is 31231123021279. The reversal of 31231123021232 is 23212032113213.

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, 53079083 + ... + 53664245.

Almost surely, 2^{31231123021232} is an apocalyptic number.

It is an amenable number.

31231123021232 is a deficient number, since it is larger than the sum of its proper divisors (30183655127824).

31231123021232 is a wasteful number, since it uses less digits than its factorization.

31231123021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635025 (or 635019 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31231123021232 its reverse (23212032113213), we get a palindrome (54443155134445).

The spelling of 31231123021232 in words is "thirty-one trillion, two hundred thirty-one billion, one hundred twenty-three million, twenty-one thousand, two hundred thirty-two".