1103321313203 has 4 divisors (see below), whose sum is σ = 1109417011248. Its totient is φ = 1097225615160.

The previous prime is 1103321313137. The next prime is 1103321313221. The reversal of 1103321313203 is 3023131233011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103321313203 - 2¹⁸ = 1103321051059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103321313233) 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, 3047848751 + ... + 3047849112.

It is an arithmetic number, because the mean of its divisors is an integer number (277354252812).

Almost surely, 2^{1103321313203} is an apocalyptic number.

1103321313203 is a deficient number, since it is larger than the sum of its proper divisors (6095698045).

1103321313203 is an equidigital number, since it uses as much as digits as its factorization.

1103321313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095698044.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1103321313203 its reverse (3023131233011), we get a palindrome (4126452546214).

The spelling of 1103321313203 in words is "one trillion, one hundred three billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred three".