131255131 has 8 divisors (see below), whose sum is σ = 155178720. Its totient is φ = 108624768.

The previous prime is 131255119. The next prime is 131255149. The reversal of 131255131 is 131552131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131255131 - 2²⁵ = 97700699 is a prime.

It is a super-2 number, since 2×131255131² = 34455818827654322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131255231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323086 + ... + 323491.

It is an arithmetic number, because the mean of its divisors is an integer number (19397340).

Almost surely, 2^131255131 is an apocalyptic number.

131255131 is a deficient number, since it is larger than the sum of its proper divisors (23923589).

131255131 is an equidigital number, since it uses as much as digits as its factorization.

131255131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646613.

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

The square root of 131255131 is about 11456.6631704000. The cubic root of 131255131 is about 508.2048007081.

The spelling of 131255131 in words is "one hundred thirty-one million, two hundred fifty-five thousand, one hundred thirty-one".