13331321103 has 16 divisors (see below), whose sum is σ = 18845091936. Its totient is φ = 8353904640.

The previous prime is 13331321099. The next prime is 13331321119. The reversal of 13331321103 is 30112313331.

It is not a de Polignac number, because 13331321103 - 2² = 13331321099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13331321103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331321123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129658 + ... + 208503.

It is an arithmetic number, because the mean of its divisors is an integer number (1177818246).

Almost surely, 2^13331321103 is an apocalyptic number.

13331321103 is a deficient number, since it is larger than the sum of its proper divisors (5513770833).

13331321103 is a wasteful number, since it uses less digits than its factorization.

13331321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338954.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13331321103 its reverse (30112313331), we get a palindrome (43443634434).

The spelling of 13331321103 in words is "thirteen billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred three".