12344442331 has 4 divisors (see below), whose sum is σ = 13294014832. Its totient is φ = 11394869832.

The previous prime is 12344442317. The next prime is 12344442337. The reversal of 12344442331 is 13324444321.

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

It is a cyclic number.

It is not a de Polignac number, because 12344442331 - 2⁹ = 12344441819 is a prime.

It is a super-3 number, since 3×12344442331³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12344442293 and 12344442302.

It is not an unprimeable number, because it can be changed into a prime (12344442337) 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, 474786231 + ... + 474786256.

It is an arithmetic number, because the mean of its divisors is an integer number (3323503708).

Almost surely, 2^12344442331 is an apocalyptic number.

12344442331 is a deficient number, since it is larger than the sum of its proper divisors (949572501).

12344442331 is an equidigital number, since it uses as much as digits as its factorization.

12344442331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949572500.

The product of its digits is 27648, while the sum is 31.

Adding to 12344442331 its reverse (13324444321), we get a palindrome (25668886652).

The spelling of 12344442331 in words is "twelve billion, three hundred forty-four million, four hundred forty-two thousand, three hundred thirty-one".