131300111988 has 72 divisors (see below), whose sum is σ = 344018543232. Its totient is φ = 42196125312.

The previous prime is 131300111981. The next prime is 131300111989. The reversal of 131300111988 is 889111003131.

It is a super-2 number, since 2×131300111988² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131300111981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465745 + ... + 692472.

Almost surely, 2^131300111988 is an apocalyptic number.

131300111988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131300111988 is an abundant number, since it is smaller than the sum of its proper divisors (212718431244).

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

131300111988 is a wasteful number, since it uses less digits than its factorization.

131300111988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158341 (or 1158336 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 131300111988 in words is "one hundred thirty-one billion, three hundred million, one hundred eleven thousand, nine hundred eighty-eight".