13444312307 has 2 divisors, whose sum is σ = 13444312308. Its totient is φ = 13444312306.

The previous prime is 13444312237. The next prime is 13444312327. The reversal of 13444312307 is 70321344431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13444312307 - 2⁸ = 13444312051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13444312327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722156153 + 6722156154.

It is an arithmetic number, because the mean of its divisors is an integer number (6722156154).

Almost surely, 2^13444312307 is an apocalyptic number.

13444312307 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444312307 is an equidigital number, since it uses as much as digits as its factorization.

13444312307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 13444312307 its reverse (70321344431), we get a palindrome (83765656738).

The spelling of 13444312307 in words is "thirteen billion, four hundred forty-four million, three hundred twelve thousand, three hundred seven".