312403113020404 has 12 divisors (see below), whose sum is σ = 624806226040864. Its totient is φ = 133887048437304.

The previous prime is 312403113020267. The next prime is 312403113020459. The reversal of 312403113020404 is 404020311304213.

It is a happy number.

312403113020404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 11157254036443 = 312403113020404 / (3 + 1 + 2 + 4 + 0 + 3 + 1 + 1 + 3 + 0 + 2 + 0 + 4 + 0 + 4).

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, 5578627018194 + ... + 5578627018249.

Almost surely, 2^{312403113020404} is an apocalyptic number.

It is an amenable number.

312403113020404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312403113020404 is a wasteful number, since it uses less digits than its factorization.

312403113020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157254036454 (or 11157254036452 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312403113020404 its reverse (404020311304213), we get a palindrome (716423424324617).

The spelling of 312403113020404 in words is "three hundred twelve trillion, four hundred three billion, one hundred thirteen million, twenty thousand, four hundred four".