13223443331 has 8 divisors (see below), whose sum is σ = 15113681664. Its totient is φ = 11333498760.

The previous prime is 13223443309. The next prime is 13223443349. The reversal of 13223443331 is 13334432231.

13223443331 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 not a de Polignac number, because 13223443331 - 2¹⁰ = 13223442307 is a prime.

It is a super-2 number, since 2×13223443331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13223443294 and 13223443303.

It is not an unprimeable number, because it can be changed into a prime (13223443391) 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, 33386 + ... + 166016.

It is an arithmetic number, because the mean of its divisors is an integer number (1889210208).

Almost surely, 2^13223443331 is an apocalyptic number.

13223443331 is a deficient number, since it is larger than the sum of its proper divisors (1890238333).

13223443331 is a wasteful number, since it uses less digits than its factorization.

13223443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146881.

The product of its digits is 15552, while the sum is 29.

Adding to 13223443331 its reverse (13334432231), we get a palindrome (26557875562).

The spelling of 13223443331 in words is "thirteen billion, two hundred twenty-three million, four hundred forty-three thousand, three hundred thirty-one".