1103043311 has 4 divisors (see below), whose sum is σ = 1119506712. Its totient is φ = 1086579912.

The previous prime is 1103043289. The next prime is 1103043313. The reversal of 1103043311 is 1133403011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1133403011 = 13 ⋅87184847.

It is a cyclic number.

It is not a de Polignac number, because 1103043311 - 2⁶ = 1103043247 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 1103043311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103043313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8231600 + ... + 8231733.

It is an arithmetic number, because the mean of its divisors is an integer number (279876678).

Almost surely, 2^1103043311 is an apocalyptic number.

1103043311 is a deficient number, since it is larger than the sum of its proper divisors (16463401).

1103043311 is an equidigital number, since it uses as much as digits as its factorization.

1103043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463400.

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

The square root of 1103043311 is about 33212.0958537699. The cubic root of 1103043311 is about 1033.2312235442.

Adding to 1103043311 its reverse (1133403011), we get a palindrome (2236446322).

The spelling of 1103043311 in words is "one billion, one hundred three million, forty-three thousand, three hundred eleven".