13443103522 has 4 divisors (see below), whose sum is σ = 20164655286. Its totient is φ = 6721551760.

The previous prime is 13443103489. The next prime is 13443103591. The reversal of 13443103522 is 22530134431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9797238361 + 3645865161 = 98981^2 + 60381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360775879 + ... + 3360775882.

Almost surely, 2^13443103522 is an apocalyptic number.

13443103522 is a deficient number, since it is larger than the sum of its proper divisors (6721551764).

13443103522 is an equidigital number, since it uses as much as digits as its factorization.

13443103522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721551763.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13443103522 its reverse (22530134431), we get a palindrome (35973237953).

The spelling of 13443103522 in words is "thirteen billion, four hundred forty-three million, one hundred three thousand, five hundred twenty-two".