344233131221 has 4 divisors (see below), whose sum is σ = 393409292832. Its totient is φ = 295056969612.

The previous prime is 344233131197. The next prime is 344233131227. The reversal of 344233131221 is 122131332443.

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: 122131332443 = 40583 ⋅3009421.

It is a cyclic number.

It is not a de Polignac number, because 344233131221 - 2²⁶ = 344166022357 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 (344233131227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24588080795 + ... + 24588080808.

It is an arithmetic number, because the mean of its divisors is an integer number (98352323208).

Almost surely, 2^344233131221 is an apocalyptic number.

It is an amenable number.

344233131221 is a deficient number, since it is larger than the sum of its proper divisors (49176161611).

344233131221 is an equidigital number, since it uses as much as digits as its factorization.

344233131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49176161610.

The product of its digits is 10368, while the sum is 29.

Adding to 344233131221 its reverse (122131332443), we get a palindrome (466364463664).

The spelling of 344233131221 in words is "three hundred forty-four billion, two hundred thirty-three million, one hundred thirty-one thousand, two hundred twenty-one".