1109321013 has 32 divisors (see below), whose sum is σ = 1543189120. Its totient is φ = 708238080.

The previous prime is 1109320999. The next prime is 1109321033. The reversal of 1109321013 is 3101239011.

It is not a de Polignac number, because 1109321013 - 2¹² = 1109316917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109321033) 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, 3351258 + ... + 3351588.

It is an arithmetic number, because the mean of its divisors is an integer number (48224660).

Almost surely, 2^1109321013 is an apocalyptic number.

It is an amenable number.

1109321013 is a deficient number, since it is larger than the sum of its proper divisors (433868107).

1109321013 is a wasteful number, since it uses less digits than its factorization.

1109321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1109321013 is about 33306.4710379229. The cubic root of 1109321013 is about 1035.1876445704.

The spelling of 1109321013 in words is "one billion, one hundred nine million, three hundred twenty-one thousand, thirteen".