13444444331 has 8 divisors (see below), whose sum is σ = 13611704400. Its totient is φ = 13277310112.

The previous prime is 13444444309. The next prime is 13444444361. The reversal of 13444444331 is 13344444431.

13444444331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13444444331 - 2¹⁰ = 13444443307 is a prime.

It is a super-2 number, since 2×13444444331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13444444291 and 13444444300.

It is not an unprimeable number, because it can be changed into a prime (13444444301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193445 + ... + 253593.

It is an arithmetic number, because the mean of its divisors is an integer number (1701463050).

Almost surely, 2^13444444331 is an apocalyptic number.

13444444331 is a deficient number, since it is larger than the sum of its proper divisors (167260069).

13444444331 is an equidigital number, since it uses as much as digits as its factorization.

13444444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62925.

The product of its digits is 110592, while the sum is 35.

Adding to 13444444331 its reverse (13344444431), we get a palindrome (26788888762).

The spelling of 13444444331 in words is "thirteen billion, four hundred forty-four million, four hundred forty-four thousand, three hundred thirty-one".