1103103321 has 8 divisors (see below), whose sum is σ = 1494916224. Its totient is φ = 723346320.

The previous prime is 1103103289. The next prime is 1103103329. The reversal of 1103103321 is 1233013011.

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

It is not a de Polignac number, because 1103103321 - 2⁵ = 1103103289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103103321.

It is not an unprimeable number, because it can be changed into a prime (1103103329) 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, 3013761 + ... + 3014126.

It is an arithmetic number, because the mean of its divisors is an integer number (186864528).

Almost surely, 2^1103103321 is an apocalyptic number.

It is an amenable number.

1103103321 is a deficient number, since it is larger than the sum of its proper divisors (391812903).

1103103321 is an equidigital number, since it uses as much as digits as its factorization.

1103103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027951.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103103321 is about 33212.9992773914. Note that the first 3 decimals coincide. The cubic root of 1103103321 is about 1033.2499605181.

Adding to 1103103321 its reverse (1233013011), we get a palindrome (2336116332).

The spelling of 1103103321 in words is "one billion, one hundred three million, one hundred three thousand, three hundred twenty-one".