317402840817 has 8 divisors (see below), whose sum is σ = 470226430880. Its totient is φ = 211601893860.

The previous prime is 317402840803. The next prime is 317402840873. The reversal of 317402840817 is 718048204713.

317402840817 is a `hidden beast` number, since 317 + 40 + 284 + 0 + 8 + 17 = 666.

It is not a de Polignac number, because 317402840817 - 2¹¹ = 317402838769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317402840897) 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, 5877830359 + ... + 5877830412.

It is an arithmetic number, because the mean of its divisors is an integer number (58778303860).

Almost surely, 2^317402840817 is an apocalyptic number.

It is an amenable number.

317402840817 is a deficient number, since it is larger than the sum of its proper divisors (152823590063).

317402840817 is a wasteful number, since it uses less digits than its factorization.

317402840817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11755660780 (or 11755660774 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 317402840817 in words is "three hundred seventeen billion, four hundred two million, eight hundred forty thousand, eight hundred seventeen".