316237216717 has 2 divisors, whose sum is σ = 316237216718. Its totient is φ = 316237216716.

The previous prime is 316237216667. The next prime is 316237216739. The reversal of 316237216717 is 717612732613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305691775236 + 10545441481 = 552894^2 + 102691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316237216717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316237276717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158118608358 + 158118608359.

It is an arithmetic number, because the mean of its divisors is an integer number (158118608359).

Almost surely, 2^316237216717 is an apocalyptic number.

It is an amenable number.

316237216717 is a deficient number, since it is larger than the sum of its proper divisors (1).

316237216717 is an equidigital number, since it uses as much as digits as its factorization.

316237216717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 46.

It can be divided in two parts, 3162372 and 16717, that added together give a square (3179089 = 1783²).

The spelling of 316237216717 in words is "three hundred sixteen billion, two hundred thirty-seven million, two hundred sixteen thousand, seven hundred seventeen".