317319648 has 48 divisors (see below), whose sum is σ = 834135120. Its totient is φ = 105624576.

The previous prime is 317319647. The next prime is 317319649. The reversal of 317319648 is 846913713.

It is an interprime number because it is at equal distance from previous prime (317319647) and next prime (317319649).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-4 number, since 4×317319648⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317319643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82308 + ... + 86076.

It is an arithmetic number, because the mean of its divisors is an integer number (17377815).

Almost surely, 2^317319648 is an apocalyptic number.

It is an amenable number.

317319648 is an abundant number, since it is smaller than the sum of its proper divisors (516815472).

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

317319648 is a wasteful number, since it uses less digits than its factorization.

317319648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4651 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 317319648 is about 17813.4681631624. The cubic root of 317319648 is about 682.0752977695.

The spelling of 317319648 in words is "three hundred seventeen million, three hundred nineteen thousand, six hundred forty-eight".