317319863 has 4 divisors (see below), whose sum is σ = 362651280. Its totient is φ = 271988448.

The previous prime is 317319829. The next prime is 317319901. The reversal of 317319863 is 368913713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368913713 = 7 ⋅52701959.

It is a cyclic number.

It is not a de Polignac number, because 317319863 - 2¹⁰ = 317318839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317319863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317319463) 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, 22665698 + ... + 22665711.

It is an arithmetic number, because the mean of its divisors is an integer number (90662820).

Almost surely, 2^317319863 is an apocalyptic number.

317319863 is a deficient number, since it is larger than the sum of its proper divisors (45331417).

317319863 is an equidigital number, since it uses as much as digits as its factorization.

317319863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45331416.

The product of its digits is 81648, while the sum is 41.

The square root of 317319863 is about 17813.4741979211. The cubic root of 317319863 is about 682.0754518162.

The spelling of 317319863 in words is "three hundred seventeen million, three hundred nineteen thousand, eight hundred sixty-three".