312344103043443 has 4 divisors (see below), whose sum is σ = 416458804057928. Its totient is φ = 208229402028960.

The previous prime is 312344103043433. The next prime is 312344103043459. The reversal of 312344103043443 is 344340301443213.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-312344103043443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312344103043433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52057350507238 + ... + 52057350507243.

It is an arithmetic number, because the mean of its divisors is an integer number (104114701014482).

Almost surely, 2^{312344103043443} is an apocalyptic number.

312344103043443 is a deficient number, since it is larger than the sum of its proper divisors (104114701014485).

312344103043443 is a wasteful number, since it uses less digits than its factorization.

312344103043443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104114701014484.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 312344103043443 its reverse (344340301443213), we get a palindrome (656684404486656).

The spelling of 312344103043443 in words is "three hundred twelve trillion, three hundred forty-four billion, one hundred three million, forty-three thousand, four hundred forty-three".