317136735247 has 8 divisors (see below), whose sum is σ = 321504264576. Its totient is φ = 312769832832.

The previous prime is 317136735229. The next prime is 317136735257. The reversal of 317136735247 is 742537631713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317136735247 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 317136735247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317136735257) 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 7 ways as a sum of consecutive naturals, for example, 911778 + ... + 1210624.

It is an arithmetic number, because the mean of its divisors is an integer number (40188033072).

Almost surely, 2^317136735247 is an apocalyptic number.

317136735247 is a deficient number, since it is larger than the sum of its proper divisors (4367529329).

317136735247 is a wasteful number, since it uses less digits than its factorization.

317136735247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313457.

The product of its digits is 2222640, while the sum is 49.

The spelling of 317136735247 in words is "three hundred seventeen billion, one hundred thirty-six million, seven hundred thirty-five thousand, two hundred forty-seven".