32312130312 has 64 divisors (see below), whose sum is σ = 100713139200. Its totient is φ = 8392760640.

The previous prime is 32312130311. The next prime is 32312130353. The reversal of 32312130312 is 21303121323.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (32312130311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8740612 + ... + 8744307.

It is an arithmetic number, because the mean of its divisors is an integer number (1573642800).

Almost surely, 2^32312130312 is an apocalyptic number.

It is an amenable number.

32312130312 is an abundant number, since it is smaller than the sum of its proper divisors (68401008888).

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

32312130312 is a wasteful number, since it uses less digits than its factorization.

32312130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17484946 (or 17484942 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32312130312 its reverse (21303121323), we get a palindrome (53615251635).

The spelling of 32312130312 in words is "thirty-two billion, three hundred twelve million, one hundred thirty thousand, three hundred twelve".