317012851 has 4 divisors (see below), whose sum is σ = 327239104. Its totient is φ = 306786600.

The previous prime is 317012849. The next prime is 317012863. The reversal of 317012851 is 158210713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 317012851 - 2¹ = 317012849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317012551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5113080 + ... + 5113141.

It is an arithmetic number, because the mean of its divisors is an integer number (81809776).

Almost surely, 2^317012851 is an apocalyptic number.

317012851 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

317012851 is a deficient number, since it is larger than the sum of its proper divisors (10226253).

317012851 is a wasteful number, since it uses less digits than its factorization.

317012851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226252.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 317012851 is about 17804.8547031421. The cubic root of 317012851 is about 681.8554078966.

The spelling of 317012851 in words is "three hundred seventeen million, twelve thousand, eight hundred fifty-one".