317345540 has 12 divisors (see below), whose sum is σ = 666425676. Its totient is φ = 126938208.

The previous prime is 317345533. The next prime is 317345563. The reversal of 317345540 is 45543713.

It can be written as a sum of positive squares in 2 ways, for example, as 99960004 + 217385536 = 9998^2 + 14744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 317345497 and 317345506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7933619 + ... + 7933658.

It is an arithmetic number, because the mean of its divisors is an integer number (55535473).

Almost surely, 2^317345540 is an apocalyptic number.

It is an amenable number.

317345540 is an abundant number, since it is smaller than the sum of its proper divisors (349080136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317345540 is a wasteful number, since it uses less digits than its factorization.

317345540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15867286 (or 15867284 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 317345540 is about 17814.1949018192. The cubic root of 317345540 is about 682.0938487936.

The spelling of 317345540 in words is "three hundred seventeen million, three hundred forty-five thousand, five hundred forty".