316631039 has 2 divisors, whose sum is σ = 316631040. Its totient is φ = 316631038.

The previous prime is 316631033. The next prime is 316631071. The reversal of 316631039 is 930136613.

It is an a-pointer prime, because the next prime (316631071) can be obtained adding 316631039 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316631039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316630996 and 316631014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316631033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158315519 + 158315520.

It is an arithmetic number, because the mean of its divisors is an integer number (158315520).

Almost surely, 2^316631039 is an apocalyptic number.

316631039 is a deficient number, since it is larger than the sum of its proper divisors (1).

316631039 is an equidigital number, since it uses as much as digits as its factorization.

316631039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 316631039 is about 17794.1293408809. The cubic root of 316631039 is about 681.5815544711.

The spelling of 316631039 in words is "three hundred sixteen million, six hundred thirty-one thousand, thirty-nine".