13321444334043 has 16 divisors (see below), whose sum is σ = 17775093980160. Its totient is φ = 8874380540256.

The previous prime is 13321444334039. The next prime is 13321444334063. The reversal of 13321444334043 is 34043344412331.

It is not a de Polignac number, because 13321444334043 - 2² = 13321444334039 is a prime.

It is a super-3 number, since 3×13321444334043³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13321444333992 and 13321444334010.

It is not an unprimeable number, because it can be changed into a prime (13321444334063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30745021 + ... + 31175297.

It is an arithmetic number, because the mean of its divisors is an integer number (1110943373760).

Almost surely, 2^{13321444334043} is an apocalyptic number.

13321444334043 is a deficient number, since it is larger than the sum of its proper divisors (4453649646117).

13321444334043 is a wasteful number, since it uses less digits than its factorization.

13321444334043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437906.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 13321444334043 its reverse (34043344412331), we get a palindrome (47364788746374).

The spelling of 13321444334043 in words is "thirteen trillion, three hundred twenty-one billion, four hundred forty-four million, three hundred thirty-four thousand, forty-three".