231132022002 has 24 divisors (see below), whose sum is σ = 572326911936. Its totient is φ = 66037720536.

The previous prime is 231132021983. The next prime is 231132022067. The reversal of 231132022002 is 200220231132.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 917190438 + ... + 917190689.

It is an arithmetic number, because the mean of its divisors is an integer number (23846954664).

Almost surely, 2^231132022002 is an apocalyptic number.

231132022002 is an abundant number, since it is smaller than the sum of its proper divisors (341194889934).

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

231132022002 is a wasteful number, since it uses less digits than its factorization.

231132022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834381142 (or 1834381139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 231132022002 its reverse (200220231132), we get a palindrome (431352253134).

The spelling of 231132022002 in words is "two hundred thirty-one billion, one hundred thirty-two million, twenty-two thousand, two".