317371113503 has 4 divisors (see below), whose sum is σ = 317380599120. Its totient is φ = 317361627888.

The previous prime is 317371113473. The next prime is 317371113509. The reversal of 317371113503 is 305311173713.

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 317371113503 - 2²⁶ = 317304004639 is a prime.

It is a super-2 number, since 2×317371113503² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317371113509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4692443 + ... + 4759596.

It is an arithmetic number, because the mean of its divisors is an integer number (79345149780).

Almost surely, 2^317371113503 is an apocalyptic number.

317371113503 is a deficient number, since it is larger than the sum of its proper divisors (9485617).

317371113503 is an equidigital number, since it uses as much as digits as its factorization.

317371113503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485616.

The product of its (nonzero) digits is 19845, while the sum is 35.

The spelling of 317371113503 in words is "three hundred seventeen billion, three hundred seventy-one million, one hundred thirteen thousand, five hundred three".