316144631 has 32 divisors (see below), whose sum is σ = 382294080. Its totient is φ = 258048000.

The previous prime is 316144567. The next prime is 316144651. The reversal of 316144631 is 136441613.

It is a cyclic number.

It is not a de Polignac number, because 316144631 - 2⁶ = 316144567 is a prime.

It is a super-2 number, since 2×316144631² = 199894855420252322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316144594 and 316144603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316144651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525731 + ... + 526331.

It is an arithmetic number, because the mean of its divisors is an integer number (11946690).

Almost surely, 2^316144631 is an apocalyptic number.

316144631 is a deficient number, since it is larger than the sum of its proper divisors (66149449).

316144631 is a wasteful number, since it uses less digits than its factorization.

316144631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its digits is 5184, while the sum is 29.

The square root of 316144631 is about 17780.4564339614. The cubic root of 316144631 is about 681.2323608372.

The spelling of 316144631 in words is "three hundred sixteen million, one hundred forty-four thousand, six hundred thirty-one".