131110111320 has 128 divisors (see below), whose sum is σ = 396069315840. Its totient is φ = 34719910400.

The previous prime is 131110111289. The next prime is 131110111331. The reversal of 131110111320 is 23111011131.

131110111320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131110111320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131110111320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13304395 + ... + 13314245.

It is an arithmetic number, because the mean of its divisors is an integer number (3094291530).

Almost surely, 2^131110111320 is an apocalyptic number.

131110111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131110111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198034657920).

131110111320 is an abundant number, since it is smaller than the sum of its proper divisors (264959204520).

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

131110111320 is a wasteful number, since it uses less digits than its factorization.

131110111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625 (or 10621 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 131110111320 its reverse (23111011131), we get a palindrome (154221122451).

The spelling of 131110111320 in words is "one hundred thirty-one billion, one hundred ten million, one hundred eleven thousand, three hundred twenty".