13111312332320 has 48 divisors (see below), whose sum is σ = 31076372815488. Its totient is φ = 5227441770240.

The previous prime is 13111312332301. The next prime is 13111312332329. The reversal of 13111312332320 is 2323321311131.

It is a super-2 number, since 2×13111312332320² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13111312332320.

It is not an unprimeable number, because it can be changed into a prime (13111312332329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133412936 + ... + 133511175.

It is an arithmetic number, because the mean of its divisors is an integer number (647424433656).

Almost surely, 2^{13111312332320} is an apocalyptic number.

13111312332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111312332320 is an abundant number, since it is smaller than the sum of its proper divisors (17965060483168).

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

13111312332320 is a wasteful number, since it uses less digits than its factorization.

13111312332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266924433 (or 266924425 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13111312332320 its reverse (2323321311131), we get a palindrome (15434633643451).

The spelling of 13111312332320 in words is "thirteen trillion, one hundred eleven billion, three hundred twelve million, three hundred thirty-two thousand, three hundred twenty".