202320031312 has 80 divisors (see below), whose sum is σ = 450169080192. Its totient is φ = 86288670720.

The previous prime is 202320031297. The next prime is 202320031363. The reversal of 202320031312 is 213130023202.

It is a self number, because there is not a number n which added to its sum of digits gives 202320031312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21245112 + ... + 21254632.

Almost surely, 2^202320031312 is an apocalyptic number.

It is an amenable number.

202320031312 is an abundant number, since it is smaller than the sum of its proper divisors (247849048880).

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

202320031312 is a wasteful number, since it uses less digits than its factorization.

202320031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436 (or 10430 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 202320031312 its reverse (213130023202), we get a palindrome (415450054514).

The spelling of 202320031312 in words is "two hundred two billion, three hundred twenty million, thirty-one thousand, three hundred twelve".