317321330 has 8 divisors (see below), whose sum is σ = 571178412. Its totient is φ = 126928528.

The previous prime is 317321309. The next prime is 317321341. The reversal of 317321330 is 33123713.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 286861969 + 30459361 = 16937^2 + 5519^2 .

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 = 317321296 and 317321305.

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, 15866057 + ... + 15866076.

Almost surely, 2^317321330 is an apocalyptic number.

317321330 is a deficient number, since it is larger than the sum of its proper divisors (253857082).

317321330 is a wasteful number, since it uses less digits than its factorization.

317321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31732140.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 317321330 is about 17813.5153745688. The cubic root of 317321330 is about 682.0765029146.

The spelling of 317321330 in words is "three hundred seventeen million, three hundred twenty-one thousand, three hundred thirty".