13321100243 has 8 divisors (see below), whose sum is σ = 14533041600. Its totient is φ = 12109314280.

The previous prime is 13321100239. The next prime is 13321100249. The reversal of 13321100243 is 34200112331.

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

It is a cyclic number.

It is not a de Polignac number, because 13321100243 - 2² = 13321100239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13321100249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209408 + ... + 265506.

It is an arithmetic number, because the mean of its divisors is an integer number (1816630200).

Almost surely, 2^13321100243 is an apocalyptic number.

13321100243 is a deficient number, since it is larger than the sum of its proper divisors (1211941357).

13321100243 is a wasteful number, since it uses less digits than its factorization.

13321100243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77697.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13321100243 its reverse (34200112331), we get a palindrome (47521212574).

The spelling of 13321100243 in words is "thirteen billion, three hundred twenty-one million, one hundred thousand, two hundred forty-three".