1103133311 has 8 divisors (see below), whose sum is σ = 1260969120. Its totient is φ = 945358848.

The previous prime is 1103133277. The next prime is 1103133313. The reversal of 1103133311 is 1133313011.

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

It is a de Polignac number, because none of the positive numbers 2^k-1103133311 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 1103133311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103133313) 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, 33635 + ... + 57771.

It is an arithmetic number, because the mean of its divisors is an integer number (157621140).

Almost surely, 2^1103133311 is an apocalyptic number.

1103133311 is a deficient number, since it is larger than the sum of its proper divisors (157835809).

1103133311 is an equidigital number, since it uses as much as digits as its factorization.

1103133311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1103133311 is about 33213.4507541749. The cubic root of 1103133311 is about 1033.2593240670.

Adding to 1103133311 its reverse (1133313011), we get a palindrome (2236446322).

The spelling of 1103133311 in words is "one billion, one hundred three million, one hundred thirty-three thousand, three hundred eleven".