317512255 has 8 divisors (see below), whose sum is σ = 381150000. Its totient is φ = 253919616.

The previous prime is 317512253. The next prime is 317512277. The reversal of 317512255 is 552215713.

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 317512255 - 2¹ = 317512253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317512253) 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, 6871 + ... + 26119.

It is an arithmetic number, because the mean of its divisors is an integer number (47643750).

Almost surely, 2^317512255 is an apocalyptic number.

317512255 is a deficient number, since it is larger than the sum of its proper divisors (63637745).

317512255 is a wasteful number, since it uses less digits than its factorization.

317512255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22553.

The product of its digits is 10500, while the sum is 31.

The square root of 317512255 is about 17818.8735614797. The cubic root of 317512255 is about 682.2132721081.

Adding to 317512255 its reverse (552215713), we get a palindrome (869727968).

The spelling of 317512255 in words is "three hundred seventeen million, five hundred twelve thousand, two hundred fifty-five".