317518472506 has 8 divisors (see below), whose sum is σ = 489150079380. Its totient is φ = 154468446048.

The previous prime is 317518472503. The next prime is 317518472539. The reversal of 317518472506 is 605274815713.

It can be written as a sum of positive squares in 2 ways, for example, as 316636917025 + 881555481 = 562705^2 + 29691^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 317518472506.

It is not an unprimeable number, because it can be changed into a prime (317518472503) 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, 2145395011 + ... + 2145395158.

Almost surely, 2^317518472506 is an apocalyptic number.

317518472506 is a deficient number, since it is larger than the sum of its proper divisors (171631606874).

317518472506 is a wasteful number, since it uses less digits than its factorization.

317518472506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290790208.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 317518472506 in words is "three hundred seventeen billion, five hundred eighteen million, four hundred seventy-two thousand, five hundred six".