31002200132 has 24 divisors (see below), whose sum is σ = 56014248192. Its totient is φ = 14998312800.

The previous prime is 31002200123. The next prime is 31002200183. The reversal of 31002200132 is 23100220013.

It is a happy number.

It is a super-2 number, since 2×31002200132² (a number of 22 digits) contains 22 as substring.

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, 764282 + ... + 803822.

It is an arithmetic number, because the mean of its divisors is an integer number (2333927008).

Almost surely, 2^31002200132 is an apocalyptic number.

It is an amenable number.

31002200132 is a deficient number, since it is larger than the sum of its proper divisors (25012048060).

31002200132 is a wasteful number, since it uses less digits than its factorization.

31002200132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45899 (or 45897 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 31002200132 its reverse (23100220013), we get a palindrome (54102420145).

It can be divided in two parts, 3100220013 and 2, that multiplied together give a palindrome (6200440026).

The spelling of 31002200132 in words is "thirty-one billion, two million, two hundred thousand, one hundred thirty-two".