12244140331 has 2 divisors, whose sum is σ = 12244140332. Its totient is φ = 12244140330.

The previous prime is 12244140313. The next prime is 12244140481. The reversal of 12244140331 is 13304144221.

Together with previous prime (12244140313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12244140331 - 2⁷ = 12244140203 is a prime.

It is a super-2 number, since 2×12244140331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12244140296 and 12244140305.

It is not a weakly prime, because it can be changed into another prime (12244140301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6122070165 + 6122070166.

It is an arithmetic number, because the mean of its divisors is an integer number (6122070166).

Almost surely, 2^12244140331 is an apocalyptic number.

12244140331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12244140331 is an equidigital number, since it uses as much as digits as its factorization.

12244140331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12244140331 its reverse (13304144221), we get a palindrome (25548284552).

The spelling of 12244140331 in words is "twelve billion, two hundred forty-four million, one hundred forty thousand, three hundred thirty-one".