313445628 has 18 divisors (see below), whose sum is σ = 792320984. Its totient is φ = 104481864.

The previous prime is 313445593. The next prime is 313445653. The reversal of 313445628 is 826544313.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8706823 = 313445628 / (3 + 1 + 3 + 4 + 4 + 5 + 6 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 313445592 and 313445601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4353376 + ... + 4353447.

Almost surely, 2^313445628 is an apocalyptic number.

It is an amenable number.

313445628 is an abundant number, since it is smaller than the sum of its proper divisors (478875356).

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

313445628 is a wasteful number, since it uses less digits than its factorization.

313445628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706833 (or 8706828 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 313445628 is about 17704.3957253559. The cubic root of 313445628 is about 679.2882026987.

The spelling of 313445628 in words is "three hundred thirteen million, four hundred forty-five thousand, six hundred twenty-eight".