13320312003 has 16 divisors (see below), whose sum is σ = 19955527200. Its totient is φ = 8780428800.

The previous prime is 13320311989. The next prime is 13320312011. The reversal of 13320312003 is 30021302331.

It is not a de Polignac number, because 13320312003 - 2¹⁸ = 13320049859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320311003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769198 + ... + 2774003.

It is an arithmetic number, because the mean of its divisors is an integer number (1247220450).

Almost surely, 2^13320312003 is an apocalyptic number.

13320312003 is a deficient number, since it is larger than the sum of its proper divisors (6635215197).

13320312003 is an equidigital number, since it uses as much as digits as its factorization.

13320312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543299 (or 5543293 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13320312003 its reverse (30021302331), we get a palindrome (43341614334).

The spelling of 13320312003 in words is "thirteen billion, three hundred twenty million, three hundred twelve thousand, three".