312404042020399 has 8 divisors (see below), whose sum is σ = 357321819177248. Its totient is φ = 267558421937760.

The previous prime is 312404042020331. The next prime is 312404042020429. The reversal of 312404042020399 is 993020240404213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312404042020399 - 2²⁷ = 312403907802671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312404042060399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18039259272 + ... + 18039276589.

It is an arithmetic number, because the mean of its divisors is an integer number (44665227397156).

Almost surely, 2^{312404042020399} is an apocalyptic number.

312404042020399 is a deficient number, since it is larger than the sum of its proper divisors (44917777156849).

312404042020399 is a wasteful number, since it uses less digits than its factorization.

312404042020399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36078537105.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 312404042020399 in words is "three hundred twelve trillion, four hundred four billion, forty-two million, twenty thousand, three hundred ninety-nine".