13311012320 has 24 divisors (see below), whose sum is σ = 31447266984. Its totient is φ = 5324404864.

The previous prime is 13311012289. The next prime is 13311012331. The reversal of 13311012320 is 2321011331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41596754 + ... + 41597073.

It is an arithmetic number, because the mean of its divisors is an integer number (1310302791).

Almost surely, 2^13311012320 is an apocalyptic number.

13311012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311012320 is an abundant number, since it is smaller than the sum of its proper divisors (18136254664).

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

13311012320 is an equidigital number, since it uses as much as digits as its factorization.

13311012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83193842 (or 83193834 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13311012320 its reverse (2321011331), we get a palindrome (15632023651).

The spelling of 13311012320 in words is "thirteen billion, three hundred eleven million, twelve thousand, three hundred twenty".