312001204044413 has 12 divisors (see below), whose sum is σ = 341643496500180. Its totient is φ = 284765143867776.

The previous prime is 312001204044391. The next prime is 312001204044463. The reversal of 312001204044413 is 314440402100213.

It can be written as a sum of positive squares in 6 ways, for example, as 94868807763844 + 217132396280569 = 9740062^2 + 14735413^2 .

It is not a de Polignac number, because 312001204044413 - 2⁸ = 312001204044157 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 (312001204044463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10371675806 + ... + 10371705887.

It is an arithmetic number, because the mean of its divisors is an integer number (28470291375015).

Almost surely, 2^{312001204044413} is an apocalyptic number.

It is an amenable number.

312001204044413 is a deficient number, since it is larger than the sum of its proper divisors (29642292455767).

312001204044413 is a wasteful number, since it uses less digits than its factorization.

312001204044413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20743381808 (or 20743381795 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 312001204044413 its reverse (314440402100213), we get a palindrome (626441606144626).

The spelling of 312001204044413 in words is "three hundred twelve trillion, one billion, two hundred four million, forty-four thousand, four hundred thirteen".