316296981 has 160 divisors (see below), whose sum is σ = 655699968. Its totient is φ = 146655360.

The previous prime is 316296973. The next prime is 316296983. The reversal of 316296981 is 189692613.

It is a happy number.

It is not a de Polignac number, because 316296981 - 2³ = 316296973 is a prime.

It is a super-2 number, since 2×316296981² = 200087560379428722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316296983) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3810766 + ... + 3810848.

Almost surely, 2^316296981 is an apocalyptic number.

It is an amenable number.

316296981 is an abundant number, since it is smaller than the sum of its proper divisors (339402987).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316296981 is a wasteful number, since it uses less digits than its factorization.

316296981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 164 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 316296981 is about 17784.7401161783. The cubic root of 316296981 is about 681.3417718188.

The spelling of 316296981 in words is "three hundred sixteen million, two hundred ninety-six thousand, nine hundred eighty-one".