131051560 has 32 divisors (see below), whose sum is σ = 295345800. Its totient is φ = 52335360.

The previous prime is 131051527. The next prime is 131051561. The reversal of 131051560 is 65150131.

It can be written as a sum of positive squares in 4 ways, for example, as 72284004 + 58767556 = 8502^2 + 7666^2 .

It is a super-2 number, since 2×131051560² = 34349022756867200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131051561) 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, 26050 + ... + 30670.

Almost surely, 2^131051560 is an apocalyptic number.

131051560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131051560 is an abundant number, since it is smaller than the sum of its proper divisors (164294240).

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

131051560 is a wasteful number, since it uses less digits than its factorization.

131051560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341 (or 5337 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 131051560 is about 11447.7753297311. The cubic root of 131051560 is about 507.9419302461.

The spelling of 131051560 in words is "one hundred thirty-one million, fifty-one thousand, five hundred sixty".