317393101 has 2 divisors, whose sum is σ = 317393102. Its totient is φ = 317393100.

The previous prime is 317393099. The next prime is 317393147. The reversal of 317393101 is 101393713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284731876 + 32661225 = 16874^2 + 5715^2 .

It is a cyclic number.

It is not a de Polignac number, because 317393101 - 2¹ = 317393099 is a prime.

Together with 317393099, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 317393101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317393801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158696550 + 158696551.

It is an arithmetic number, because the mean of its divisors is an integer number (158696551).

Almost surely, 2^317393101 is an apocalyptic number.

It is an amenable number.

317393101 is a deficient number, since it is larger than the sum of its proper divisors (1).

317393101 is an equidigital number, since it uses as much as digits as its factorization.

317393101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 317393101 is about 17815.5297703998. The cubic root of 317393101 is about 682.1279225302.

The spelling of 317393101 in words is "three hundred seventeen million, three hundred ninety-three thousand, one hundred one".