317063189 has 2 divisors, whose sum is σ = 317063190. Its totient is φ = 317063188.

The previous prime is 317063179. The next prime is 317063207. The reversal of 317063189 is 981360713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316235089 + 828100 = 17783^2 + 910^2 .

It is an emirp because it is prime and its reverse (981360713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317063189 - 2²⁰ = 316014613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317063129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158531594 + 158531595.

It is an arithmetic number, because the mean of its divisors is an integer number (158531595).

Almost surely, 2^317063189 is an apocalyptic number.

It is an amenable number.

317063189 is a deficient number, since it is larger than the sum of its proper divisors (1).

317063189 is an equidigital number, since it uses as much as digits as its factorization.

317063189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 317063189 is about 17806.2682502539. The cubic root of 317063189 is about 681.8914962559.

The spelling of 317063189 in words is "three hundred seventeen million, sixty-three thousand, one hundred eighty-nine".