1103430009 has 32 divisors (see below), whose sum is σ = 1647360000. Its totient is φ = 651188160.

The previous prime is 1103429993. The next prime is 1103430011. The reversal of 1103430009 is 9000343011.

It is not a de Polignac number, because 1103430009 - 2⁴ = 1103429993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103430049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550992 + ... + 552990.

It is an arithmetic number, because the mean of its divisors is an integer number (51480000).

Almost surely, 2^1103430009 is an apocalyptic number.

It is an amenable number.

1103430009 is a deficient number, since it is larger than the sum of its proper divisors (543929991).

1103430009 is a wasteful number, since it uses less digits than its factorization.

1103430009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1103430009 is about 33217.9169876740. The cubic root of 1103430009 is about 1033.3519506763.

The spelling of 1103430009 in words is "one billion, one hundred three million, four hundred thirty thousand, nine".