13210331320 has 32 divisors (see below), whose sum is σ = 30682062720. Its totient is φ = 5113676160.

The previous prime is 13210331317. The next prime is 13210331347. The reversal of 13210331320 is 2313301231.

It is a congruent number.

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, 5325507 + ... + 5327986.

It is an arithmetic number, because the mean of its divisors is an integer number (958814460).

Almost surely, 2^13210331320 is an apocalyptic number.

13210331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13210331320 is an abundant number, since it is smaller than the sum of its proper divisors (17471731400).

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

13210331320 is a wasteful number, since it uses less digits than its factorization.

13210331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10653535 (or 10653531 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13210331320 its reverse (2313301231), we get a palindrome (15523632551).

The spelling of 13210331320 in words is "thirteen billion, two hundred ten million, three hundred thirty-one thousand, three hundred twenty".