13221434424303 has 48 divisors (see below), whose sum is σ = 21909054236160. Its totient is φ = 7526327896512.

The previous prime is 13221434424271. The next prime is 13221434424371. The reversal of 13221434424303 is 30342443412231.

13221434424303 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 1 + 4 + 344 + 2 + 4 + 303 = 666.

It is not a de Polignac number, because 13221434424303 - 2⁵ = 13221434424271 is a prime.

It is a super-2 number, since 2×13221434424303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221434424503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46726350 + ... + 47008452.

It is an arithmetic number, because the mean of its divisors is an integer number (456438629920).

Almost surely, 2^{13221434424303} is an apocalyptic number.

13221434424303 is a deficient number, since it is larger than the sum of its proper divisors (8687619811857).

13221434424303 is a wasteful number, since it uses less digits than its factorization.

13221434424303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284948 (or 284945 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 13221434424303 its reverse (30342443412231), we get a palindrome (43563877836534).

The spelling of 13221434424303 in words is "thirteen trillion, two hundred twenty-one billion, four hundred thirty-four million, four hundred twenty-four thousand, three hundred three".