131521451253312 has 112 divisors (see below), whose sum is σ = 348270909158592. Its totient is φ = 43804323870720.

The previous prime is 131521451253307. The next prime is 131521451253317. The reversal of 131521451253312 is 213352154125131.

It is an interprime number because it is at equal distance from previous prime (131521451253307) and next prime (131521451253317).

It is not an unprimeable number, because it can be changed into a prime (131521451253317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3974521887 + ... + 3974554977.

It is an arithmetic number, because the mean of its divisors is an integer number (3109561688916).

Almost surely, 2^{131521451253312} is an apocalyptic number.

131521451253312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131521451253312 is an abundant number, since it is smaller than the sum of its proper divisors (216749457905280).

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

131521451253312 is a wasteful number, since it uses less digits than its factorization.

131521451253312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49556 (or 49546 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The spelling of 131521451253312 in words is "one hundred thirty-one trillion, five hundred twenty-one billion, four hundred fifty-one million, two hundred fifty-three thousand, three hundred twelve".