316949431 has 16 divisors (see below), whose sum is σ = 343094400. Its totient is φ = 291822048.

The previous prime is 316949419. The next prime is 316949443. The reversal of 316949431 is 134949613.

It is an interprime number because it is at equal distance from previous prime (316949419) and next prime (316949443).

It is a cyclic number.

It is not a de Polignac number, because 316949431 - 2¹³ = 316941239 is a prime.

It is a super-2 number, since 2×316949431² = 200913883622447522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316949401) 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, 184605 + ... + 186313.

It is an arithmetic number, because the mean of its divisors is an integer number (21443400).

Almost surely, 2^316949431 is an apocalyptic number.

316949431 is a deficient number, since it is larger than the sum of its proper divisors (26144969).

316949431 is a wasteful number, since it uses less digits than its factorization.

316949431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its digits is 69984, while the sum is 40.

The square root of 316949431 is about 17803.0736391220. The cubic root of 316949431 is about 681.8099353405.

The spelling of 316949431 in words is "three hundred sixteen million, nine hundred forty-nine thousand, four hundred thirty-one".