316631929 has 2 divisors, whose sum is σ = 316631930. Its totient is φ = 316631928.

The previous prime is 316631893. The next prime is 316631957. The reversal of 316631929 is 929136613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269846329 + 46785600 = 16427^2 + 6840^2 .

It is a cyclic number.

It is not a de Polignac number, because 316631929 - 2⁷ = 316631801 is a prime.

It is a super-2 number, since 2×316631929² = 200511556924522082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 316631891 and 316631900.

It is not a weakly prime, because it can be changed into another prime (316631129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158315964 + 158315965.

It is an arithmetic number, because the mean of its divisors is an integer number (158315965).

Almost surely, 2^316631929 is an apocalyptic number.

It is an amenable number.

316631929 is a deficient number, since it is larger than the sum of its proper divisors (1).

316631929 is an equidigital number, since it uses as much as digits as its factorization.

316631929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 40.

The square root of 316631929 is about 17794.1543491114. The cubic root of 316631929 is about 681.5821930767.

The spelling of 316631929 in words is "three hundred sixteen million, six hundred thirty-one thousand, nine hundred twenty-nine".