317535631009 has 3 divisors (see below), whose sum is σ = 317536194513. Its totient is φ = 317535067506.

The previous prime is 317535630983. The next prime is 317535631057. The reversal of 317535631009 is 900136535713.

The square root of 317535631009 is 563503.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 317535631009 - 2²⁹ = 316998760097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317535631709) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 281752 + ... + 845254.

It is an arithmetic number, because the mean of its divisors is an integer number (105845398171).

Almost surely, 2^317535631009 is an apocalyptic number.

317535631009 is the 563503-rd square number.

317535631009 is the 281752-nd centered octagonal number.

It is an amenable number.

317535631009 is a deficient number, since it is larger than the sum of its proper divisors (563504).

317535631009 is an frugal number, since it uses more digits than its factorization.

317535631009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127006 (or 563503 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 43.

The spelling of 317535631009 in words is "three hundred seventeen billion, five hundred thirty-five million, six hundred thirty-one thousand, nine".