13321121303 has 8 divisors (see below), whose sum is σ = 15482175360. Its totient is φ = 11224576440.

The previous prime is 13321121299. The next prime is 13321121323. The reversal of 13321121303 is 30312112331.

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

It is not a de Polignac number, because 13321121303 - 2² = 13321121299 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 (13321121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16126853 + ... + 16127678.

It is an arithmetic number, because the mean of its divisors is an integer number (1935271920).

Almost surely, 2^13321121303 is an apocalyptic number.

13321121303 is a deficient number, since it is larger than the sum of its proper divisors (2161054057).

13321121303 is an equidigital number, since it uses as much as digits as its factorization.

13321121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32254597.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13321121303 its reverse (30312112331), we get a palindrome (43633233634).

The spelling of 13321121303 in words is "thirteen billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred three".