1103313443 has 4 divisors (see below), whose sum is σ = 1114025328. Its totient is φ = 1092601560.

The previous prime is 1103313383. The next prime is 1103313461. The reversal of 1103313443 is 3443133011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3443133011 = 5519 ⋅623869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103313443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103313493) 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, 5355788 + ... + 5355993.

It is an arithmetic number, because the mean of its divisors is an integer number (278506332).

Almost surely, 2^1103313443 is an apocalyptic number.

1103313443 is a deficient number, since it is larger than the sum of its proper divisors (10711885).

1103313443 is a wasteful number, since it uses less digits than its factorization.

1103313443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711884.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1103313443 is about 33216.1623761686. The cubic root of 1103313443 is about 1033.3155617362.

Adding to 1103313443 its reverse (3443133011), we get a palindrome (4546446454).

The spelling of 1103313443 in words is "one billion, one hundred three million, three hundred thirteen thousand, four hundred forty-three".