13321243224143 has 4 divisors (see below), whose sum is σ = 13321359408960. Its totient is φ = 13321127039328.

The previous prime is 13321243224109. The next prime is 13321243224197. The reversal of 13321243224143 is 34142234212331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13321243224143 - 2¹⁴ = 13321243207759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321243224343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57920255 + ... + 58149792.

It is an arithmetic number, because the mean of its divisors is an integer number (3330339852240).

Almost surely, 2^{13321243224143} is an apocalyptic number.

13321243224143 is a deficient number, since it is larger than the sum of its proper divisors (116184817).

13321243224143 is a wasteful number, since it uses less digits than its factorization.

13321243224143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116184816.

The product of its digits is 82944, while the sum is 35.

Adding to 13321243224143 its reverse (34142234212331), we get a palindrome (47463477436474).

The spelling of 13321243224143 in words is "thirteen trillion, three hundred twenty-one billion, two hundred forty-three million, two hundred twenty-four thousand, one hundred forty-three".