131313156 has 24 divisors (see below), whose sum is σ = 329966784. Its totient is φ = 40404000.

The previous prime is 131313137. The next prime is 131313191. The reversal of 131313156 is 651313131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420720 + ... + 421031.

It is an arithmetic number, because the mean of its divisors is an integer number (13748616).

Almost surely, 2^131313156 is an apocalyptic number.

It is an amenable number.

131313156 is an abundant number, since it is smaller than the sum of its proper divisors (198653628).

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

131313156 is a wasteful number, since it uses less digits than its factorization.

131313156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841771 (or 841769 counting only the distinct ones).

The product of its digits is 810, while the sum is 24.

The square root of 131313156 is about 11459.1952597030. The cubic root of 131313156 is about 508.2796783884.

Adding to 131313156 its reverse (651313131), we get a palindrome (782626287).

The spelling of 131313156 in words is "one hundred thirty-one million, three hundred thirteen thousand, one hundred fifty-six".