1110043309 has 2 divisors, whose sum is σ = 1110043310. Its totient is φ = 1110043308.

The previous prime is 1110043301. The next prime is 1110043331. The reversal of 1110043309 is 9033400111.

It is an a-pointer prime, because the next prime (1110043331) can be obtained adding 1110043309 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 955737225 + 154306084 = 30915^2 + 12422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110043309 - 2³ = 1110043301 is a prime.

It is a super-2 number, since 2×1110043309² = 2464392295711338962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1110043309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110043301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555021654 + 555021655.

It is an arithmetic number, because the mean of its divisors is an integer number (555021655).

Almost surely, 2^1110043309 is an apocalyptic number.

It is an amenable number.

1110043309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110043309 is an equidigital number, since it uses as much as digits as its factorization.

1110043309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1110043309 is about 33317.3124516369. The cubic root of 1110043309 is about 1035.4122713654.

The spelling of 1110043309 in words is "one billion, one hundred ten million, forty-three thousand, three hundred nine".