313264648 has 8 divisors (see below), whose sum is σ = 587371230. Its totient is φ = 156632320.

The previous prime is 313264643. The next prime is 313264663. The reversal of 313264648 is 846462313.

It can be written as a sum of positive squares in only one way, i.e., 312653124 + 611524 = 17682^2 + 782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (313264643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19579033 + ... + 19579048.

Almost surely, 2^313264648 is an apocalyptic number.

It is an amenable number.

313264648 is a deficient number, since it is larger than the sum of its proper divisors (274106582).

313264648 is a wasteful number, since it uses less digits than its factorization.

313264648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39158087 (or 39158083 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 313264648 is about 17699.2838273191. The cubic root of 313264648 is about 679.1574397248.

The spelling of 313264648 in words is "three hundred thirteen million, two hundred sixty-four thousand, six hundred forty-eight".