316413217 has 2 divisors, whose sum is σ = 316413218. Its totient is φ = 316413216.

The previous prime is 316413211. The next prime is 316413263. The reversal of 316413217 is 712314613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210714256 + 105698961 = 14516^2 + 10281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316413217 is a prime.

It is a super-3 number, since 3×316413217³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (316413211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158206608 + 158206609.

It is an arithmetic number, because the mean of its divisors is an integer number (158206609).

Almost surely, 2^316413217 is an apocalyptic number.

It is an amenable number.

316413217 is a deficient number, since it is larger than the sum of its proper divisors (1).

316413217 is an equidigital number, since it uses as much as digits as its factorization.

316413217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 316413217 is about 17788.0076737110. The cubic root of 316413217 is about 681.4252237091.

It can be divided in two parts, 316413 and 217, that multiplied together give a triangular number (68661621 = T₁₁₇₁₈).

The spelling of 316413217 in words is "three hundred sixteen million, four hundred thirteen thousand, two hundred seventeen".