313387428 has 12 divisors (see below), whose sum is σ = 731237360. Its totient is φ = 104462472.

The previous prime is 313387411. The next prime is 313387429. The reversal of 313387428 is 824783313.

313387428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (313387429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13057798 + ... + 13057821.

Almost surely, 2^313387428 is an apocalyptic number.

It is an amenable number.

313387428 is an abundant number, since it is smaller than the sum of its proper divisors (417849932).

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

313387428 is a wasteful number, since it uses less digits than its factorization.

313387428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26115626 (or 26115624 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 313387428 is about 17702.7519894507. The cubic root of 313387428 is about 679.2461571071.

The spelling of 313387428 in words is "three hundred thirteen million, three hundred eighty-seven thousand, four hundred twenty-eight".