13321444334042 has 16 divisors (see below), whose sum is σ = 21519464559432. Its totient is φ = 6148299401280.

The previous prime is 13321444334039. The next prime is 13321444334063. The reversal of 13321444334042 is 24043344412331.

It can be written as a sum of positive squares in 4 ways, for example, as 12551155503121 + 770288830921 = 3542761^2 + 877661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13321444333987 and 13321444334005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316748 + ... + 5171384.

Almost surely, 2^{13321444334042} is an apocalyptic number.

13321444334042 is a deficient number, since it is larger than the sum of its proper divisors (8198020225390).

13321444334042 is a wasteful number, since it uses less digits than its factorization.

13321444334042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960193.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 13321444334042 its reverse (24043344412331), we get a palindrome (37364788746373).

The spelling of 13321444334042 in words is "thirteen trillion, three hundred twenty-one billion, four hundred forty-four million, three hundred thirty-four thousand, forty-two".