316767881 has 2 divisors, whose sum is σ = 316767882. Its totient is φ = 316767880.

The previous prime is 316767863. The next prime is 316767901. The reversal of 316767881 is 188767613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234702400 + 82065481 = 15320^2 + 9059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316767881 is a prime.

It is a super-2 number, since 2×316767881² = 200683780866460322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316767811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158383940 + 158383941.

It is an arithmetic number, because the mean of its divisors is an integer number (158383941).

Almost surely, 2^316767881 is an apocalyptic number.

It is an amenable number.

316767881 is a deficient number, since it is larger than the sum of its proper divisors (1).

316767881 is an equidigital number, since it uses as much as digits as its factorization.

316767881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 316767881 is about 17797.9740701013. The cubic root of 316767881 is about 681.6797292534.

The spelling of 316767881 in words is "three hundred sixteen million, seven hundred sixty-seven thousand, eight hundred eighty-one".