313398724 has 12 divisors (see below), whose sum is σ = 557439148. Its totient is φ = 154130400.

The previous prime is 313398707. The next prime is 313398751. The reversal of 313398724 is 427893313.

313398724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 72590400 + 240808324 = 8520^2 + 15518^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641967 + ... + 642454.

Almost surely, 2^313398724 is an apocalyptic number.

It is an amenable number.

313398724 is a deficient number, since it is larger than the sum of its proper divisors (244040424).

313398724 is a wasteful number, since it uses less digits than its factorization.

313398724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284486 (or 1284484 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 313398724 is about 17703.0710330157. The cubic root of 313398724 is about 679.2543181156.

The spelling of 313398724 in words is "three hundred thirteen million, three hundred ninety-eight thousand, seven hundred twenty-four".