131255912 has 16 divisors (see below), whose sum is σ = 260581860. Its totient is φ = 61767424.

The previous prime is 131255911. The next prime is 131255921. The reversal of 131255912 is 219552131.

It can be written as a sum of positive squares in 2 ways, for example, as 121308196 + 9947716 = 11014^2 + 3154^2 .

It is a super-2 number, since 2×131255912² = 34456228869903488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131255911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482423 + ... + 482694.

Almost surely, 2^131255912 is an apocalyptic number.

It is an amenable number.

131255912 is a deficient number, since it is larger than the sum of its proper divisors (129325948).

131255912 is a wasteful number, since it uses less digits than its factorization.

131255912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965140 (or 965136 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

The square root of 131255912 is about 11456.6972553175. The cubic root of 131255912 is about 508.2058086868.

The spelling of 131255912 in words is "one hundred thirty-one million, two hundred fifty-five thousand, nine hundred twelve".