13243221334 has 16 divisors (see below), whose sum is σ = 22707836928. Its totient is φ = 5674373352.

The previous prime is 13243221319. The next prime is 13243221373. The reversal of 13243221334 is 43312234231.

It is a happy number.

13243221334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13243221334² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 42742 + ... + 168265.

It is an arithmetic number, because the mean of its divisors is an integer number (1419239808).

Almost surely, 2^13243221334 is an apocalyptic number.

13243221334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13243221334 is a deficient number, since it is larger than the sum of its proper divisors (9464615594).

13243221334 is a wasteful number, since it uses less digits than its factorization.

13243221334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215499.

The product of its digits is 10368, while the sum is 28.

Adding to 13243221334 its reverse (43312234231), we get a palindrome (56555455565).

The spelling of 13243221334 in words is "thirteen billion, two hundred forty-three million, two hundred twenty-one thousand, three hundred thirty-four".