312320444404 has 12 divisors (see below), whose sum is σ = 561332690884. Its totient is φ = 151939675584.

The previous prime is 312320444389. The next prime is 312320444417. The reversal of 312320444404 is 404444023213.

It can be written as a sum of positive squares in 2 ways, for example, as 266464504804 + 45855939600 = 516202^2 + 214140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055136489 + ... + 1055136784.

Almost surely, 2^312320444404 is an apocalyptic number.

It is an amenable number.

312320444404 is a deficient number, since it is larger than the sum of its proper divisors (249012246480).

312320444404 is a wasteful number, since it uses less digits than its factorization.

312320444404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110273314 (or 2110273312 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 312320444404 its reverse (404444023213), we get a palindrome (716764467617).

The spelling of 312320444404 in words is "three hundred twelve billion, three hundred twenty million, four hundred forty-four thousand, four hundred four".