13443113042 has 4 divisors (see below), whose sum is σ = 20164669566. Its totient is φ = 6721556520.

The previous prime is 13443113039. The next prime is 13443113053. The reversal of 13443113042 is 24031134431.

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., 11346297361 + 2096815681 = 106519^2 + 45791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360778259 + ... + 3360778262.

Almost surely, 2^13443113042 is an apocalyptic number.

13443113042 is a deficient number, since it is larger than the sum of its proper divisors (6721556524).

13443113042 is an equidigital number, since it uses as much as digits as its factorization.

13443113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721556523.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13443113042 its reverse (24031134431), we get a palindrome (37474247473).

The spelling of 13443113042 in words is "thirteen billion, four hundred forty-three million, one hundred thirteen thousand, forty-two".