13321302303 has 16 divisors (see below), whose sum is σ = 18028926720. Its totient is φ = 8748238464.

The previous prime is 13321302209. The next prime is 13321302307. The reversal of 13321302303 is 30320312331.

It is not a de Polignac number, because 13321302303 - 2¹⁶ = 13321236767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13321302303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321302307) 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, 65283 + ... + 175796.

It is an arithmetic number, because the mean of its divisors is an integer number (1126807920).

Almost surely, 2^13321302303 is an apocalyptic number.

13321302303 is a deficient number, since it is larger than the sum of its proper divisors (4707624417).

13321302303 is a wasteful number, since it uses less digits than its factorization.

13321302303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241358.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13321302303 its reverse (30320312331), we get a palindrome (43641614634).

The spelling of 13321302303 in words is "thirteen billion, three hundred twenty-one million, three hundred two thousand, three hundred three".