131311011233320 has 32 divisors (see below), whose sum is σ = 295475030604000. Its totient is φ = 52519914657088.

The previous prime is 131311011233317. The next prime is 131311011233359. The reversal of 131311011233320 is 23332110113131.

131311011233320 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 2×131311011233320² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139833574 + ... + 140769493.

It is an arithmetic number, because the mean of its divisors is an integer number (9233594706375).

Almost surely, 2^{131311011233320} is an apocalyptic number.

131311011233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131311011233320 is an abundant number, since it is smaller than the sum of its proper divisors (164164019370680).

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

131311011233320 is a wasteful number, since it uses less digits than its factorization.

131311011233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280614777 (or 280614773 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 131311011233320 its reverse (23332110113131), we get a palindrome (154643121346451).

The spelling of 131311011233320 in words is "one hundred thirty-one trillion, three hundred eleven billion, eleven million, two hundred thirty-three thousand, three hundred twenty".