317140255 has 8 divisors (see below), whose sum is σ = 388665792. Its totient is φ = 248313888.

The previous prime is 317140249. The next prime is 317140273. The reversal of 317140255 is 552041713.

It is a happy number.

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 317140255 - 2³ = 317140247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 674532 + ... + 675001.

It is an arithmetic number, because the mean of its divisors is an integer number (48583224).

Almost surely, 2^317140255 is an apocalyptic number.

317140255 is a deficient number, since it is larger than the sum of its proper divisors (71525537).

317140255 is a wasteful number, since it uses less digits than its factorization.

317140255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349585.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 317140255 is about 17808.4321319986. The cubic root of 317140255 is about 681.9467390747.

Adding to 317140255 its reverse (552041713), we get a palindrome (869181968).

The spelling of 317140255 in words is "three hundred seventeen million, one hundred forty thousand, two hundred fifty-five".