316460981 has 4 divisors (see below), whose sum is σ = 316713600. Its totient is φ = 316208364.

The previous prime is 316460959. The next prime is 316460983. The reversal of 316460981 is 189064613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316460981 - 2¹⁸ = 316198837 is a prime.

It is a super-2 number, since 2×316460981² = 200295104990964722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316460983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124421 + ... + 126938.

It is an arithmetic number, because the mean of its divisors is an integer number (79178400).

Almost surely, 2^316460981 is an apocalyptic number.

It is an amenable number.

316460981 is a deficient number, since it is larger than the sum of its proper divisors (252619).

316460981 is a wasteful number, since it uses less digits than its factorization.

316460981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252618.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 316460981 is about 17789.3502129786. The cubic root of 316460981 is about 681.4595100526.

The spelling of 316460981 in words is "three hundred sixteen million, four hundred sixty thousand, nine hundred eighty-one".