317791241 has 2 divisors, whose sum is σ = 317791242. Its totient is φ = 317791240.

The previous prime is 317791219. The next prime is 317791249. The reversal of 317791241 is 142197713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229825600 + 87965641 = 15160^2 + 9379^2 .

It is a cyclic number.

It is not a de Polignac number, because 317791241 - 2¹⁸ = 317529097 is a prime.

It is not a weakly prime, because it can be changed into another prime (317791249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158895620 + 158895621.

It is an arithmetic number, because the mean of its divisors is an integer number (158895621).

Almost surely, 2^317791241 is an apocalyptic number.

It is an amenable number.

317791241 is a deficient number, since it is larger than the sum of its proper divisors (1).

317791241 is an equidigital number, since it uses as much as digits as its factorization.

317791241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 317791241 is about 17826.7002274678. The cubic root of 317791241 is about 682.4130252740.

The spelling of 317791241 in words is "three hundred seventeen million, seven hundred ninety-one thousand, two hundred forty-one".