1103303013 has 4 divisors (see below), whose sum is σ = 1471070688. Its totient is φ = 735535340.

The previous prime is 1103303011. The next prime is 1103303021. The reversal of 1103303013 is 3103033011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1103303013 - 2¹ = 1103303011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103302983 and 1103303001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103303011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183883833 + ... + 183883838.

It is an arithmetic number, because the mean of its divisors is an integer number (367767672).

Almost surely, 2^1103303013 is an apocalyptic number.

It is an amenable number.

1103303013 is a deficient number, since it is larger than the sum of its proper divisors (367767675).

1103303013 is an equidigital number, since it uses as much as digits as its factorization.

1103303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367767674.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1103303013 is about 33216.0053739158. The cubic root of 1103303013 is about 1033.3123056306.

Adding to 1103303013 its reverse (3103033011), we get a palindrome (4206336024).

The spelling of 1103303013 in words is "one billion, one hundred three million, three hundred three thousand, thirteen".