317255212 has 12 divisors (see below), whose sum is σ = 568738296. Its totient is φ = 154758560.

The previous prime is 317255177. The next prime is 317255219. The reversal of 317255212 is 212552713.

It is not an unprimeable number, because it can be changed into a prime (317255219) 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, 967078 + ... + 967405.

It is an arithmetic number, because the mean of its divisors is an integer number (47394858).

Almost surely, 2^317255212 is an apocalyptic number.

It is an amenable number.

317255212 is a deficient number, since it is larger than the sum of its proper divisors (251483084).

317255212 is a wasteful number, since it uses less digits than its factorization.

317255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934528 (or 1934526 counting only the distinct ones).

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

The square root of 317255212 is about 17811.6594398164. The cubic root of 317255212 is about 682.0291264725.

The spelling of 317255212 in words is "three hundred seventeen million, two hundred fifty-five thousand, two hundred twelve".