317742911951 has 8 divisors (see below), whose sum is σ = 323471949984. Its totient is φ = 312048701440.

The previous prime is 317742911947. The next prime is 317742911971. The reversal of 317742911951 is 159119247713.

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

It is a cyclic number.

It is not a de Polignac number, because 317742911951 - 2² = 317742911947 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 317742911951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317742911911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8688470 + ... + 8724963.

It is an arithmetic number, because the mean of its divisors is an integer number (40433993748).

Almost surely, 2^317742911951 is an apocalyptic number.

317742911951 is a deficient number, since it is larger than the sum of its proper divisors (5729038033).

317742911951 is a wasteful number, since it uses less digits than its factorization.

317742911951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17413761.

The product of its digits is 476280, while the sum is 50.

The spelling of 317742911951 in words is "three hundred seventeen billion, seven hundred forty-two million, nine hundred eleven thousand, nine hundred fifty-one".