131013323112 has 96 divisors (see below), whose sum is σ = 386374691520. Its totient is φ = 36905137920.

The previous prime is 131013323039. The next prime is 131013323131. The reversal of 131013323112 is 211323310131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701053 + ... + 868044.

It is an arithmetic number, because the mean of its divisors is an integer number (4024736370).

Almost surely, 2^131013323112 is an apocalyptic number.

131013323112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131013323112 is an abundant number, since it is smaller than the sum of its proper divisors (255361368408).

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

131013323112 is a wasteful number, since it uses less digits than its factorization.

131013323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569191 (or 1569180 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131013323112 its reverse (211323310131), we get a palindrome (342336633243).

The spelling of 131013323112 in words is "one hundred thirty-one billion, thirteen million, three hundred twenty-three thousand, one hundred twelve".