1103130209 has 4 divisors (see below), whose sum is σ = 1151092416. Its totient is φ = 1055168004.

The previous prime is 1103130131. The next prime is 1103130227. The reversal of 1103130209 is 9020313011.

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 1103130209 - 2⁸ = 1103129953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103130109) 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, 23981069 + ... + 23981114.

It is an arithmetic number, because the mean of its divisors is an integer number (287773104).

Almost surely, 2^1103130209 is an apocalyptic number.

It is an amenable number.

1103130209 is a deficient number, since it is larger than the sum of its proper divisors (47962207).

1103130209 is an equidigital number, since it uses as much as digits as its factorization.

1103130209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47962206.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1103130209 is about 33213.4040561939. The cubic root of 1103130209 is about 1033.2583555611.

The spelling of 1103130209 in words is "one billion, one hundred three million, one hundred thirty thousand, two hundred nine".