312344443213 has 4 divisors (see below), whose sum is σ = 340739392608. Its totient is φ = 283949493820.

The previous prime is 312344443181. The next prime is 312344443261.

312344443213 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312344443213 - 2⁵ = 312344443181 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 (312344443283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14197474681 + ... + 14197474702.

It is an arithmetic number, because the mean of its divisors is an integer number (85184848152).

Almost surely, 2^312344443213 is an apocalyptic number.

It is an amenable number.

312344443213 is a deficient number, since it is larger than the sum of its proper divisors (28394949395).

312344443213 is a wasteful number, since it uses less digits than its factorization.

312344443213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28394949394.

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 312344 and 443213, that added together give a palindrome (755557).

The spelling of 312344443213 in words is "three hundred twelve billion, three hundred forty-four million, four hundred forty-three thousand, two hundred thirteen".