317445812 has 12 divisors (see below), whose sum is σ = 555687300. Its totient is φ = 158678016.

The previous prime is 317445809. The next prime is 317445827. The reversal of 317445812 is 218544713.

It can be written as a sum of positive squares in 2 ways, for example, as 219158416 + 98287396 = 14804^2 + 9914^2 .

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 3 ways as a sum of consecutive naturals, for example, 8564 + ... + 26612.

It is an arithmetic number, because the mean of its divisors is an integer number (46307275).

Almost surely, 2^317445812 is an apocalyptic number.

It is an amenable number.

317445812 is a deficient number, since it is larger than the sum of its proper divisors (238241488).

317445812 is a wasteful number, since it uses less digits than its factorization.

317445812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22450 (or 22448 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 317445812 is about 17817.0090643744. The cubic root of 317445812 is about 682.1656818625.

The spelling of 317445812 in words is "three hundred seventeen million, four hundred forty-five thousand, eight hundred twelve".