131312626256 has 40 divisors (see below), whose sum is σ = 291335043840. Its totient is φ = 56166251904.

The previous prime is 131312626241. The next prime is 131312626271. The reversal of 131312626256 is 652626213131.

It is an interprime number because it is at equal distance from previous prime (131312626241) and next prime (131312626271).

It is a congruent number.

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, 1094696 + ... + 1208711.

It is an arithmetic number, because the mean of its divisors is an integer number (7283376096).

Almost surely, 2^131312626256 is an apocalyptic number.

131312626256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131312626256 is an abundant number, since it is smaller than the sum of its proper divisors (160022417584).

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

131312626256 is a wasteful number, since it uses less digits than its factorization.

131312626256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303931 (or 2303925 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

Adding to 131312626256 its reverse (652626213131), we get a palindrome (783938839387).

The spelling of 131312626256 in words is "one hundred thirty-one billion, three hundred twelve million, six hundred twenty-six thousand, two hundred fifty-six".