316431 has 6 divisors (see below), whose sum is σ = 457080. Its totient is φ = 210948.

The previous prime is 316429. The next prime is 316439. The reversal of 316431 is 134613.

It is not a de Polignac number, because 316431 - 2¹ = 316429 is a prime.

It is a super-2 number, since 2×316431² = 200257155522, which contains 22 as substring.

316431 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316431.

It is not an unprimeable number, because it can be changed into a prime (316439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17571 + ... + 17588.

It is an arithmetic number, because the mean of its divisors is an integer number (76180).

2³¹⁶⁴³¹ is an apocalyptic number.

316431 is a deficient number, since it is larger than the sum of its proper divisors (140649).

316431 is a wasteful number, since it uses less digits than its factorization.

316431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35165 (or 35162 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 316431 is about 562.5219995698. The cubic root of 316431 is about 68.1437989250.

It can be divided in two parts, 316 and 431, that added together give a palindrome (747).

The spelling of 316431 in words is "three hundred sixteen thousand, four hundred thirty-one".