317228530 has 16 divisors (see below), whose sum is σ = 571423104. Its totient is φ = 126799920.

The previous prime is 317228507. The next prime is 317228531. The reversal of 317228530 is 35822713.

It is a junction number, because it is equal to n+sod(n) for n = 317228492 and 317228501.

It is not an unprimeable number, because it can be changed into a prime (317228531) 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, 4135 + ... + 25525.

It is an arithmetic number, because the mean of its divisors is an integer number (35713944).

Almost surely, 2^317228530 is an apocalyptic number.

317228530 is a deficient number, since it is larger than the sum of its proper divisors (254194574).

317228530 is a wasteful number, since it uses less digits than its factorization.

317228530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22881.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 317228530 is about 17810.9104203014. The cubic root of 317228530 is about 682.0100057871.

The spelling of 317228530 in words is "three hundred seventeen million, two hundred twenty-eight thousand, five hundred thirty".