13321213304344 has 16 divisors (see below), whose sum is σ = 27247936304520. Its totient is φ = 6055096956480.

The previous prime is 13321213304327. The next prime is 13321213304401. The reversal of 13321213304344 is 44340331212331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75688711869 + ... + 75688712044.

Almost surely, 2^{13321213304344} is an apocalyptic number.

It is an amenable number.

13321213304344 is an abundant number, since it is smaller than the sum of its proper divisors (13926723000176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321213304344 is a wasteful number, since it uses less digits than its factorization.

13321213304344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151377423930 (or 151377423926 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 13321213304344 its reverse (44340331212331), we get a palindrome (57661544516675).

The spelling of 13321213304344 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirteen million, three hundred four thousand, three hundred forty-four".