316072117 has 2 divisors, whose sum is σ = 316072118. Its totient is φ = 316072116.

The previous prime is 316072079. The next prime is 316072121. The reversal of 316072117 is 711270613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 102941316 = 14599^2 + 10146^2 .

It is a cyclic number.

It is not a de Polignac number, because 316072117 - 2⁷ = 316071989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316072147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158036058 + 158036059.

It is an arithmetic number, because the mean of its divisors is an integer number (158036059).

Almost surely, 2^316072117 is an apocalyptic number.

It is an amenable number.

316072117 is a deficient number, since it is larger than the sum of its proper divisors (1).

316072117 is an equidigital number, since it uses as much as digits as its factorization.

316072117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 316072117 is about 17778.4171680158. The cubic root of 316072117 is about 681.1802721665.

The spelling of 316072117 in words is "three hundred sixteen million, seventy-two thousand, one hundred seventeen".