316778320971 has 96 divisors (see below), whose sum is σ = 587751690240. Its totient is φ = 160217652672.

The previous prime is 316778320967. The next prime is 316778320981. The reversal of 316778320971 is 179023877613.

316778320971 is a `hidden beast` number, since 3 + 167 + 78 + 320 + 97 + 1 = 666.

It is not a de Polignac number, because 316778320971 - 2² = 316778320967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316778320921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1050040 + ... + 1317626.

It is an arithmetic number, because the mean of its divisors is an integer number (6122413440).

Almost surely, 2^316778320971 is an apocalyptic number.

316778320971 is a deficient number, since it is larger than the sum of its proper divisors (270973369269).

316778320971 is a wasteful number, since it uses less digits than its factorization.

316778320971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267685 (or 267682 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 316778320971 in words is "three hundred sixteen billion, seven hundred seventy-eight million, three hundred twenty thousand, nine hundred seventy-one".