1103111030303 has 4 divisors (see below), whose sum is σ = 1116401524728. Its totient is φ = 1089820535880.

The previous prime is 1103111030293. The next prime is 1103111030309. The reversal of 1103111030303 is 3030301113011.

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 1103111030303 - 2³⁰ = 1102037288479 is a prime.

It is a super-2 number, since 2×1103111030303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103111030309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6645247088 + ... + 6645247253.

It is an arithmetic number, because the mean of its divisors is an integer number (279100381182).

Almost surely, 2^{1103111030303} is an apocalyptic number.

1103111030303 is a deficient number, since it is larger than the sum of its proper divisors (13290494425).

1103111030303 is an equidigital number, since it uses as much as digits as its factorization.

1103111030303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290494424.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1103111030303 its reverse (3030301113011), we get a palindrome (4133412143314).

The spelling of 1103111030303 in words is "one trillion, one hundred three billion, one hundred eleven million, thirty thousand, three hundred three".