317356540 has 12 divisors (see below), whose sum is σ = 666448776. Its totient is φ = 126942608.

The previous prime is 317356537. The next prime is 317356573. The reversal of 317356540 is 45653713.

It is a junction number, because it is equal to n+sod(n) for n = 317356496 and 317356505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7933894 + ... + 7933933.

It is an arithmetic number, because the mean of its divisors is an integer number (55537398).

Almost surely, 2^317356540 is an apocalyptic number.

It is an amenable number.

317356540 is an abundant number, since it is smaller than the sum of its proper divisors (349092236).

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

317356540 is a wasteful number, since it uses less digits than its factorization.

317356540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15867836 (or 15867834 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 317356540 is about 17814.5036416960. The cubic root of 317356540 is about 682.1017297359.

The spelling of 317356540 in words is "three hundred seventeen million, three hundred fifty-six thousand, five hundred forty".