131155313 has 16 divisors (see below), whose sum is σ = 138240000. Its totient is φ = 124270272.

The previous prime is 131155303. The next prime is 131155319. The reversal of 131155313 is 313551131.

It is a cyclic number.

It is not a de Polignac number, because 131155313 - 2⁶ = 131155249 is a prime.

It is a super-2 number, since 2×131155313² = 34403432256255938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131155319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548648 + ... + 548886.

It is an arithmetic number, because the mean of its divisors is an integer number (8640000).

Almost surely, 2^131155313 is an apocalyptic number.

It is an amenable number.

131155313 is a deficient number, since it is larger than the sum of its proper divisors (7084687).

131155313 is a wasteful number, since it uses less digits than its factorization.

131155313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its digits is 675, while the sum is 23.

The square root of 131155313 is about 11452.3060123278. The cubic root of 131155313 is about 508.0759400908.

The spelling of 131155313 in words is "one hundred thirty-one million, one hundred fifty-five thousand, three hundred thirteen".