1103320203 has 8 divisors (see below), whose sum is σ = 1474272768. Its totient is φ = 733957224.

The previous prime is 1103320193. The next prime is 1103320219. The reversal of 1103320203 is 3020233011.

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

It is not a de Polignac number, because 1103320203 - 2²⁰ = 1102271627 is a prime.

It is a super-2 number, since 2×1103320203² = 2434630940695922418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103320223) 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 7 ways as a sum of consecutive naturals, for example, 395775 + ... + 398552.

It is an arithmetic number, because the mean of its divisors is an integer number (184284096).

Almost surely, 2^1103320203 is an apocalyptic number.

1103320203 is a deficient number, since it is larger than the sum of its proper divisors (370952565).

1103320203 is an equidigital number, since it uses as much as digits as its factorization.

1103320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794793.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1103320203 is about 33216.2641337041. The cubic root of 1103320203 is about 1033.3176721063.

Adding to 1103320203 its reverse (3020233011), we get a palindrome (4123553214).

The spelling of 1103320203 in words is "one billion, one hundred three million, three hundred twenty thousand, two hundred three".