317648320 has 224 divisors, whose sum is σ = 884846592. Its totient is φ = 107520000.

The previous prime is 317648299. The next prime is 317648321. The reversal of 317648320 is 23846713.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317648321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4473885 + ... + 4473955.

It is an arithmetic number, because the mean of its divisors is an integer number (3950208).

Almost surely, 2^317648320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317648320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442423296).

317648320 is an abundant number, since it is smaller than the sum of its proper divisors (567198272).

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

317648320 is a wasteful number, since it uses less digits than its factorization.

317648320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 317648320 is about 17822.6911548172. The cubic root of 317648320 is about 682.3107088641.

The spelling of 317648320 in words is "three hundred seventeen million, six hundred forty-eight thousand, three hundred twenty".