12043431334313 has 4 divisors (see below), whose sum is σ = 12299674554240. Its totient is φ = 11787188114388.

The previous prime is 12043431334309. The next prime is 12043431334331. The reversal of 12043431334313 is 31343313434021.

It is a happy number.

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 12043431334313 - 2² = 12043431334309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12043431334373) 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, 128121609893 + ... + 128121609986.

It is an arithmetic number, because the mean of its divisors is an integer number (3074918638560).

Almost surely, 2^{12043431334313} is an apocalyptic number.

It is an amenable number.

12043431334313 is a deficient number, since it is larger than the sum of its proper divisors (256243219927).

12043431334313 is an equidigital number, since it uses as much as digits as its factorization.

12043431334313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256243219926.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 12043431334313 its reverse (31343313434021), we get a palindrome (43386744768334).

The spelling of 12043431334313 in words is "twelve trillion, forty-three billion, four hundred thirty-one million, three hundred thirty-four thousand, three hundred thirteen".