312330404 has 12 divisors (see below), whose sum is σ = 546706524. Its totient is φ = 156128544.

The previous prime is 312330391. The next prime is 312330419. The reversal of 312330404 is 404033213.

It can be written as a sum of positive squares in 2 ways, for example, as 298252900 + 14077504 = 17270^2 + 3752^2 .

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, 21134 + ... + 32730.

It is an arithmetic number, because the mean of its divisors is an integer number (45558877).

Almost surely, 2^312330404 is an apocalyptic number.

It is an amenable number.

312330404 is a deficient number, since it is larger than the sum of its proper divisors (234376120).

312330404 is a wasteful number, since it uses less digits than its factorization.

312330404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18334 (or 18332 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 312330404 is about 17672.8719793926. The cubic root of 312330404 is about 678.4816207689.

Adding to 312330404 its reverse (404033213), we get a palindrome (716363617).

The spelling of 312330404 in words is "three hundred twelve million, three hundred thirty thousand, four hundred four".