1103311043 has 8 divisors (see below), whose sum is σ = 1122359040. Its totient is φ = 1084339080.

The previous prime is 1103311007. The next prime is 1103311073. The reversal of 1103311043 is 3401133011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103311043 - 2²⁰ = 1102262467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103311073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10658 + ... + 48168.

It is an arithmetic number, because the mean of its divisors is an integer number (140294880).

Almost surely, 2^1103311043 is an apocalyptic number.

1103311043 is a deficient number, since it is larger than the sum of its proper divisors (19047997).

1103311043 is an equidigital number, since it uses as much as digits as its factorization.

1103311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38017.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1103311043 is about 33216.1262491580. The cubic root of 1103311043 is about 1033.3148124903.

Adding to 1103311043 its reverse (3401133011), we get a palindrome (4504444054).

The spelling of 1103311043 in words is "one billion, one hundred three million, three hundred eleven thousand, forty-three".