317040530 has 8 divisors (see below), whose sum is σ = 570672972. Its totient is φ = 126816208.

The previous prime is 317040527. The next prime is 317040587. The reversal of 317040530 is 35040713.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 296907361 + 20133169 = 17231^2 + 4487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 317040496 and 317040505.

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, 15852017 + ... + 15852036.

Almost surely, 2^317040530 is an apocalyptic number.

317040530 is a deficient number, since it is larger than the sum of its proper divisors (253632442).

317040530 is a wasteful number, since it uses less digits than its factorization.

317040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31704060.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 317040530 is about 17805.6319741817. The cubic root of 317040530 is about 681.8752520202.

The spelling of 317040530 in words is "three hundred seventeen million, forty thousand, five hundred thirty".