1103443113 has 4 divisors (see below), whose sum is σ = 1471257488. Its totient is φ = 735628740.

The previous prime is 1103443087. The next prime is 1103443153. The reversal of 1103443113 is 3113443011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1103443113 - 2²⁰ = 1102394537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103443113.

It is not an unprimeable number, because it can be changed into a prime (1103443153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183907183 + ... + 183907188.

It is an arithmetic number, because the mean of its divisors is an integer number (367814372).

Almost surely, 2^1103443113 is an apocalyptic number.

It is an amenable number.

1103443113 is a deficient number, since it is larger than the sum of its proper divisors (367814375).

1103443113 is an equidigital number, since it uses as much as digits as its factorization.

1103443113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367814374.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1103443113 is about 33218.1142300402. The cubic root of 1103443113 is about 1033.3560412515.

Adding to 1103443113 its reverse (3113443011), we get a palindrome (4216886124).

The spelling of 1103443113 in words is "one billion, one hundred three million, four hundred forty-three thousand, one hundred thirteen".