13403313221 has 8 divisors (see below), whose sum is σ = 13439563200. Its totient is φ = 13367110048.

The previous prime is 13403313191. The next prime is 13403313223. The reversal of 13403313221 is 12231330431.

13403313221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13403313221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604880 + ... + 626646.

It is an arithmetic number, because the mean of its divisors is an integer number (1679945400).

Almost surely, 2^13403313221 is an apocalyptic number.

It is an amenable number.

13403313221 is a deficient number, since it is larger than the sum of its proper divisors (36249979).

13403313221 is a wasteful number, since it uses less digits than its factorization.

13403313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23403.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13403313221 its reverse (12231330431), we get a palindrome (25634643652).

The spelling of 13403313221 in words is "thirteen billion, four hundred three million, three hundred thirteen thousand, two hundred twenty-one".