1113230309 has 2 divisors, whose sum is σ = 1113230310. Its totient is φ = 1113230308.

The previous prime is 1113230299. The next prime is 1113230357. The reversal of 1113230309 is 9030323111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085373025 + 27857284 = 32945^2 + 5278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113230309 - 2²⁴ = 1096453093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113230609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556615154 + 556615155.

It is an arithmetic number, because the mean of its divisors is an integer number (556615155).

Almost surely, 2^1113230309 is an apocalyptic number.

It is an amenable number.

1113230309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113230309 is an equidigital number, since it uses as much as digits as its factorization.

1113230309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1113230309 is about 33365.1061589799. The cubic root of 1113230309 is about 1036.4022345136.

The spelling of 1113230309 in words is "one billion, one hundred thirteen million, two hundred thirty thousand, three hundred nine".