316938833 has 2 divisors, whose sum is σ = 316938834. Its totient is φ = 316938832.

The previous prime is 316938799. The next prime is 316938841. The reversal of 316938833 is 338839613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258309184 + 58629649 = 16072^2 + 7657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316938833 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (316938863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158469416 + 158469417.

It is an arithmetic number, because the mean of its divisors is an integer number (158469417).

Almost surely, 2^316938833 is an apocalyptic number.

It is an amenable number.

316938833 is a deficient number, since it is larger than the sum of its proper divisors (1).

316938833 is an equidigital number, since it uses as much as digits as its factorization.

316938833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The square root of 316938833 is about 17802.7759914009. The cubic root of 316938833 is about 681.8023359135.

The spelling of 316938833 in words is "three hundred sixteen million, nine hundred thirty-eight thousand, eight hundred thirty-three".