32320131321 has 16 divisors (see below), whose sum is σ = 43516459008. Its totient is φ = 21335932800.

The previous prime is 32320131271. The next prime is 32320131353. The reversal of 32320131321 is 12313102323.

It is not a de Polignac number, because 32320131321 - 2²³ = 32311742713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32320131521) 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, 117091 + ... + 279911.

It is an arithmetic number, because the mean of its divisors is an integer number (2719778688).

Almost surely, 2^32320131321 is an apocalyptic number.

It is an amenable number.

32320131321 is a deficient number, since it is larger than the sum of its proper divisors (11196327687).

32320131321 is a wasteful number, since it uses less digits than its factorization.

32320131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163472.

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

Adding to 32320131321 its reverse (12313102323), we get a palindrome (44633233644).

The spelling of 32320131321 in words is "thirty-two billion, three hundred twenty million, one hundred thirty-one thousand, three hundred twenty-one".