13321342442 has 8 divisors (see below), whose sum is σ = 20038620996. Its totient is φ = 6641802112.

The previous prime is 13321342417. The next prime is 13321342499. The reversal of 13321342442 is 24424312331.

It can be written as a sum of positive squares in 2 ways, for example, as 11935344001 + 1385998441 = 109249^2 + 37229^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9433673 + ... + 9435084.

Almost surely, 2^13321342442 is an apocalyptic number.

13321342442 is a deficient number, since it is larger than the sum of its proper divisors (6717278554).

13321342442 is a wasteful number, since it uses less digits than its factorization.

13321342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18869112.

The product of its digits is 13824, while the sum is 29.

Adding to 13321342442 its reverse (24424312331), we get a palindrome (37745654773).

The spelling of 13321342442 in words is "thirteen billion, three hundred twenty-one million, three hundred forty-two thousand, four hundred forty-two".