316331377 has 2 divisors, whose sum is σ = 316331378. Its totient is φ = 316331376.

The previous prime is 316331363. The next prime is 316331381. The reversal of 316331377 is 773133613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217149696 + 99181681 = 14736^2 + 9959^2 .

It is a cyclic number.

It is not a de Polignac number, because 316331377 - 2¹¹ = 316329329 is a prime.

It is a super-2 number, since 2×316331377² = 200131080149432258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316331317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158165688 + 158165689.

It is an arithmetic number, because the mean of its divisors is an integer number (158165689).

Almost surely, 2^316331377 is an apocalyptic number.

It is an amenable number.

316331377 is a deficient number, since it is larger than the sum of its proper divisors (1).

316331377 is an equidigital number, since it uses as much as digits as its factorization.

316331377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 34.

The square root of 316331377 is about 17785.7070986790. The cubic root of 316331377 is about 681.3664686318.

The spelling of 316331377 in words is "three hundred sixteen million, three hundred thirty-one thousand, three hundred seventy-seven".