317303806543 has 6 divisors (see below), whose sum is σ = 320414345664. Its totient is φ = 314223176556.

The previous prime is 317303806453. The next prime is 317303806577. The reversal of 317303806543 is 345608303713.

It is not a de Polignac number, because 317303806543 - 2⁹ = 317303806031 is a prime.

It is a super-2 number, since 2×317303806543² (a number of 24 digits) contains 22 as substring.

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 317303806543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317303866543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14943855 + ... + 14965072.

It is an arithmetic number, because the mean of its divisors is an integer number (53402390944).

Almost surely, 2^317303806543 is an apocalyptic number.

317303806543 is a deficient number, since it is larger than the sum of its proper divisors (3110539121).

317303806543 is an equidigital number, since it uses as much as digits as its factorization.

317303806543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29909133 (or 29909030 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 317303806543 in words is "three hundred seventeen billion, three hundred three million, eight hundred six thousand, five hundred forty-three".