131501345251992 has 32 divisors (see below), whose sum is σ = 337638589162800. Its totient is φ = 42649084946304.

The previous prime is 131501345251891. The next prime is 131501345251993. The reversal of 131501345251992 is 299152543105131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131501345251993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74043549367 + ... + 74043551142.

Almost surely, 2^{131501345251992} is an apocalyptic number.

131501345251992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131501345251992 is an abundant number, since it is smaller than the sum of its proper divisors (206137243910808).

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

131501345251992 is a wasteful number, since it uses less digits than its factorization.

131501345251992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148087100555 (or 148087100551 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 51.

The spelling of 131501345251992 in words is "one hundred thirty-one trillion, five hundred one billion, three hundred forty-five million, two hundred fifty-one thousand, nine hundred ninety-two".