131343488 has 32 divisors (see below), whose sum is σ = 268742460. Its totient is φ = 63894528.

The previous prime is 131343473. The next prime is 131343493. The reversal of 131343488 is 884343131.

It can be written as a sum of positive squares in 2 ways, for example, as 130690624 + 652864 = 11432^2 + 808^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×131343488² = 34502223680012288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9131 + ... + 18602.

Almost surely, 2^131343488 is an apocalyptic number.

It is an amenable number.

131343488 is an abundant number, since it is smaller than the sum of its proper divisors (137398972).

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

131343488 is an equidigital number, since it uses as much as digits as its factorization.

131343488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27784 (or 27772 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 131343488 is about 11460.5186619106. The cubic root of 131343488 is about 508.3188111830.

The spelling of 131343488 in words is "one hundred thirty-one million, three hundred forty-three thousand, four hundred eighty-eight".