13320031221003 has 24 divisors (see below), whose sum is σ = 19231540108032. Its totient is φ = 8196834698208.

The previous prime is 13320031221001. The next prime is 13320031221047. The reversal of 13320031221003 is 30012213002331.

It is not a de Polignac number, because 13320031221003 - 2¹ = 13320031221001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320031221001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57491250 + ... + 57722472.

It is an arithmetic number, because the mean of its divisors is an integer number (801314171168).

Almost surely, 2^{13320031221003} is an apocalyptic number.

13320031221003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13320031221003 is a deficient number, since it is larger than the sum of its proper divisors (5911508887029).

13320031221003 is a wasteful number, since it uses less digits than its factorization.

13320031221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344875 (or 344862 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13320031221003 its reverse (30012213002331), we get a palindrome (43332244223334).

The spelling of 13320031221003 in words is "thirteen trillion, three hundred twenty billion, thirty-one million, two hundred twenty-one thousand, three".