13311311320 has 32 divisors (see below), whose sum is σ = 29957130720. Its totient is φ = 5323336960.

The previous prime is 13311311267. The next prime is 13311311323. The reversal of 13311311320 is 2311311331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311311323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157005 + ... + 226435.

It is an arithmetic number, because the mean of its divisors is an integer number (936160335).

Almost surely, 2^13311311320 is an apocalyptic number.

13311311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311311320 is an abundant number, since it is smaller than the sum of its proper divisors (16645819400).

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

13311311320 is a wasteful number, since it uses less digits than its factorization.

13311311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74235 (or 74231 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13311311320 its reverse (2311311331), we get a palindrome (15622622651).

The spelling of 13311311320 in words is "thirteen billion, three hundred eleven million, three hundred eleven thousand, three hundred twenty".