12331442441 has 4 divisors (see below), whose sum is σ = 12540450000. Its totient is φ = 12122434884.

The previous prime is 12331442429. The next prime is 12331442443. The reversal of 12331442441 is 14424413321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14424413321 = 71 ⋅203160751.

It is a cyclic number.

It is not a de Polignac number, because 12331442441 - 2¹⁰ = 12331441417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12331442443) 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, 104503691 + ... + 104503808.

It is an arithmetic number, because the mean of its divisors is an integer number (3135112500).

Almost surely, 2^12331442441 is an apocalyptic number.

It is an amenable number.

12331442441 is a deficient number, since it is larger than the sum of its proper divisors (209007559).

12331442441 is an equidigital number, since it uses as much as digits as its factorization.

12331442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209007558.

The product of its digits is 9216, while the sum is 29.

Adding to 12331442441 its reverse (14424413321), we get a palindrome (26755855762).

The spelling of 12331442441 in words is "twelve billion, three hundred thirty-one million, four hundred forty-two thousand, four hundred forty-one".