317214347 has 4 divisors (see below), whose sum is σ = 320484696. Its totient is φ = 313944000.

The previous prime is 317214281. The next prime is 317214349. The reversal of 317214347 is 743412713.

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 317214347 - 2²⁰ = 316165771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317214349) 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, 1635029 + ... + 1635222.

It is an arithmetic number, because the mean of its divisors is an integer number (80121174).

Almost surely, 2^317214347 is an apocalyptic number.

317214347 is a deficient number, since it is larger than the sum of its proper divisors (3270349).

317214347 is an equidigital number, since it uses as much as digits as its factorization.

317214347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270348.

The product of its digits is 14112, while the sum is 32.

The square root of 317214347 is about 17810.5122610216. The cubic root of 317214347 is about 681.9998416193. Note that the first 3 decimals are identical.

The spelling of 317214347 in words is "three hundred seventeen million, two hundred fourteen thousand, three hundred forty-seven".