313431157 has 16 divisors (see below), whose sum is σ = 346026240. Its totient is φ = 282140352.

The previous prime is 313431149. The next prime is 313431161. The reversal of 313431157 is 751134313.

It is not a de Polignac number, because 313431157 - 2³ = 313431149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313431857) 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, 83403 + ... + 87079.

It is an arithmetic number, because the mean of its divisors is an integer number (21626640).

Almost surely, 2^313431157 is an apocalyptic number.

It is an amenable number.

313431157 is a deficient number, since it is larger than the sum of its proper divisors (32595083).

313431157 is a wasteful number, since it uses less digits than its factorization.

313431157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its digits is 3780, while the sum is 28.

The square root of 313431157 is about 17703.9870368231. The cubic root of 313431157 is about 679.2777488592.

The spelling of 313431157 in words is "three hundred thirteen million, four hundred thirty-one thousand, one hundred fifty-seven".