317148920089 has 2 divisors, whose sum is σ = 317148920090. Its totient is φ = 317148920088.

The previous prime is 317148919993. The next prime is 317148920131. The reversal of 317148920089 is 980029841713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300660305625 + 16488614464 = 548325^2 + 128408^2 .

It is a cyclic number.

It is not a de Polignac number, because 317148920089 - 2²³ = 317140531481 is a prime.

It is not a weakly prime, because it can be changed into another prime (317148920489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158574460044 + 158574460045.

It is an arithmetic number, because the mean of its divisors is an integer number (158574460045).

Almost surely, 2^317148920089 is an apocalyptic number.

It is an amenable number.

317148920089 is a deficient number, since it is larger than the sum of its proper divisors (1).

317148920089 is an equidigital number, since it uses as much as digits as its factorization.

317148920089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 317148920089 in words is "three hundred seventeen billion, one hundred forty-eight million, nine hundred twenty thousand, eighty-nine".