13443231434 has 8 divisors (see below), whose sum is σ = 20191487268. Its totient is φ = 6712735680.

The previous prime is 13443231421. The next prime is 13443231463. The reversal of 13443231434 is 43413234431.

13443231434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13431651025 + 11580409 = 115895^2 + 3403^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13443231434.

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 3 ways as a sum of consecutive naturals, for example, 4438127 + ... + 4441154.

Almost surely, 2^13443231434 is an apocalyptic number.

13443231434 is a deficient number, since it is larger than the sum of its proper divisors (6748255834).

13443231434 is an equidigital number, since it uses as much as digits as its factorization.

13443231434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880040.

The product of its digits is 41472, while the sum is 32.

Adding to 13443231434 its reverse (43413234431), we get a palindrome (56856465865).

The spelling of 13443231434 in words is "thirteen billion, four hundred forty-three million, two hundred thirty-one thousand, four hundred thirty-four".