12344421342331 has 4 divisors (see below), whose sum is σ = 13293992214832. Its totient is φ = 11394850469832.

The previous prime is 12344421342277. The next prime is 12344421342373. The reversal of 12344421342331 is 13324312444321.

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 12344421342331 - 2¹⁹ = 12344420818043 is a prime.

It is a super-2 number, since 2×12344421342331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344421342931) 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, 474785436231 + ... + 474785436256.

It is an arithmetic number, because the mean of its divisors is an integer number (3323498053708).

Almost surely, 2^{12344421342331} is an apocalyptic number.

12344421342331 is a deficient number, since it is larger than the sum of its proper divisors (949570872501).

12344421342331 is an equidigital number, since it uses as much as digits as its factorization.

12344421342331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949570872500.

The product of its digits is 165888, while the sum is 37.

Adding to 12344421342331 its reverse (13324312444321), we get a palindrome (25668733786652).

The spelling of 12344421342331 in words is "twelve trillion, three hundred forty-four billion, four hundred twenty-one million, three hundred forty-two thousand, three hundred thirty-one".