1113103309 has 8 divisors (see below), whose sum is σ = 1116426168. Its totient is φ = 1109786880.

The previous prime is 1113103307. The next prime is 1113103319. The reversal of 1113103309 is 9033013111.

It can be written as a sum of positive squares in 4 ways, for example, as 573842025 + 539261284 = 23955^2 + 23222^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113103309 - 2¹ = 1113103307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113103309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113103307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750849 + ... + 752329.

It is an arithmetic number, because the mean of its divisors is an integer number (139553271).

Almost surely, 2^1113103309 is an apocalyptic number.

It is an amenable number.

1113103309 is a deficient number, since it is larger than the sum of its proper divisors (3322859).

1113103309 is an equidigital number, since it uses as much as digits as its factorization.

1113103309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 1113103309 is about 33363.2029187846. The cubic root of 1113103309 is about 1036.3628212588.

The spelling of 1113103309 in words is "one billion, one hundred thirteen million, one hundred three thousand, three hundred nine".