1103303312103 has 4 divisors (see below), whose sum is σ = 1471071082808. Its totient is φ = 735535541400.

The previous prime is 1103303312077. The next prime is 1103303312107. The reversal of 1103303312103 is 3012133033011.

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

It is not a de Polignac number, because 1103303312103 - 2¹⁰ = 1103303311079 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 1103303312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103303312107) 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 3 ways as a sum of consecutive naturals, for example, 183883885348 + ... + 183883885353.

It is an arithmetic number, because the mean of its divisors is an integer number (367767770702).

Almost surely, 2^{1103303312103} is an apocalyptic number.

1103303312103 is a deficient number, since it is larger than the sum of its proper divisors (367767770705).

1103303312103 is an equidigital number, since it uses as much as digits as its factorization.

1103303312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367767770704.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1103303312103 its reverse (3012133033011), we get a palindrome (4115436345114).

The spelling of 1103303312103 in words is "one trillion, one hundred three billion, three hundred three million, three hundred twelve thousand, one hundred three".