131113331012 has 24 divisors (see below), whose sum is σ = 230675991000. Its totient is φ = 65206020096.

The previous prime is 131113330979. The next prime is 131113331023. The reversal of 131113331012 is 210133311131.

It can be written as a sum of positive squares in 4 ways, for example, as 376127236 + 130737203776 = 19394^2 + 361576^2 .

It is an unprimeable number.

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, 6497114 + ... + 6517262.

It is an arithmetic number, because the mean of its divisors is an integer number (9611499625).

Almost surely, 2^131113331012 is an apocalyptic number.

It is an amenable number.

131113331012 is a deficient number, since it is larger than the sum of its proper divisors (99562659988).

131113331012 is a wasteful number, since it uses less digits than its factorization.

131113331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775 (or 28773 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 131113331012 its reverse (210133311131), we get a palindrome (341246642143).

The spelling of 131113331012 in words is "one hundred thirty-one billion, one hundred thirteen million, three hundred thirty-one thousand, twelve".