1103303203203 has 8 divisors (see below), whose sum is σ = 1471147106128. Its totient is φ = 735497384544.

The previous prime is 1103303203127. The next prime is 1103303203207. The reversal of 1103303203203 is 3023023033011.

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

It is not a de Polignac number, because 1103303203203 - 2²⁰ = 1103302154627 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 1103303203203.

It is not an unprimeable number, because it can be changed into a prime (1103303203207) 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, 9453400 + ... + 9569397.

It is an arithmetic number, because the mean of its divisors is an integer number (183893388266).

Almost surely, 2^{1103303203203} is an apocalyptic number.

1103303203203 is a deficient number, since it is larger than the sum of its proper divisors (367843902925).

1103303203203 is a wasteful number, since it uses less digits than its factorization.

1103303203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19042133.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1103303203203 its reverse (3023023033011), we get a palindrome (4126326236214).

The spelling of 1103303203203 in words is "one trillion, one hundred three billion, three hundred three million, two hundred three thousand, two hundred three".