317289031729 has 4 divisors (see below), whose sum is σ = 318950231040. Its totient is φ = 315627832420.

The previous prime is 317289031723. The next prime is 317289031817. The reversal of 317289031729 is 927130982713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 317289031729 - 2⁹ = 317289031217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317289031723) 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, 830599369 + ... + 830599750.

It is an arithmetic number, because the mean of its divisors is an integer number (79737557760).

Almost surely, 2^317289031729 is an apocalyptic number.

It is an amenable number.

317289031729 is a deficient number, since it is larger than the sum of its proper divisors (1661199311).

317289031729 is a wasteful number, since it uses less digits than its factorization.

317289031729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661199310.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 317289031729 in words is "three hundred seventeen billion, two hundred eighty-nine million, thirty-one thousand, seven hundred twenty-nine".