12313243441 has 4 divisors (see below), whose sum is σ = 12575227392. Its totient is φ = 12051259492.

The previous prime is 12313243427. The next prime is 12313243483. The reversal of 12313243441 is 14434231321.

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 12313243441 - 2²⁹ = 11776372529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313243841) 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, 130991905 + ... + 130991998.

It is an arithmetic number, because the mean of its divisors is an integer number (3143806848).

Almost surely, 2^12313243441 is an apocalyptic number.

It is an amenable number.

12313243441 is a deficient number, since it is larger than the sum of its proper divisors (261983951).

12313243441 is an equidigital number, since it uses as much as digits as its factorization.

12313243441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261983950.

The product of its digits is 6912, while the sum is 28.

Adding to 12313243441 its reverse (14434231321), we get a palindrome (26747474762).

The spelling of 12313243441 in words is "twelve billion, three hundred thirteen million, two hundred forty-three thousand, four hundred forty-one".