317416243 has 4 divisors (see below), whose sum is σ = 317497888. Its totient is φ = 317334600.

The previous prime is 317416237. The next prime is 317416271. The reversal of 317416243 is 342614713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 317416243 - 2²¹ = 315319091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317416273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34683 + ... + 42868.

It is an arithmetic number, because the mean of its divisors is an integer number (79374472).

Almost surely, 2^317416243 is an apocalyptic number.

317416243 is a deficient number, since it is larger than the sum of its proper divisors (81645).

317416243 is an equidigital number, since it uses as much as digits as its factorization.

317416243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81644.

The product of its digits is 12096, while the sum is 31.

The square root of 317416243 is about 17816.1792480880. The cubic root of 317416243 is about 682.1445007321.

The spelling of 317416243 in words is "three hundred seventeen million, four hundred sixteen thousand, two hundred forty-three".