13231314320 has 80 divisors (see below), whose sum is σ = 35820921600. Its totient is φ = 4450847232.

The previous prime is 13231314311. The next prime is 13231314329. The reversal of 13231314320 is 2341313231.

It is an interprime number because it is at equal distance from previous prime (13231314311) and next prime (13231314329).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (13231314329) 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, 193220 + ... + 252579.

It is an arithmetic number, because the mean of its divisors is an integer number (447761520).

Almost surely, 2^13231314320 is an apocalyptic number.

13231314320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231314320 is an abundant number, since it is smaller than the sum of its proper divisors (22589607280).

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

13231314320 is a wasteful number, since it uses less digits than its factorization.

13231314320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445872 (or 445866 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13231314320 its reverse (2341313231), we get a palindrome (15572627551).

The spelling of 13231314320 in words is "thirteen billion, two hundred thirty-one million, three hundred fourteen thousand, three hundred twenty".