13030403443 has 4 divisors (see below), whose sum is σ = 13034347000. Its totient is φ = 13026459888.

The previous prime is 13030403437. The next prime is 13030403447. The reversal of 13030403443 is 34430403031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13030403443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030403447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966818 + ... + 1973431.

It is an arithmetic number, because the mean of its divisors is an integer number (3258586750).

Almost surely, 2^13030403443 is an apocalyptic number.

13030403443 is a deficient number, since it is larger than the sum of its proper divisors (3943557).

13030403443 is an equidigital number, since it uses as much as digits as its factorization.

13030403443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943556.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 13030403443 its reverse (34430403031), we get a palindrome (47460806474).

The spelling of 13030403443 in words is "thirteen billion, thirty million, four hundred three thousand, four hundred forty-three".