2112301309 has 2 divisors, whose sum is σ = 2112301310. Its totient is φ = 2112301308.

The previous prime is 2112301297. The next prime is 2112301339. The reversal of 2112301309 is 9031032112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1782697284 + 329604025 = 42222^2 + 18155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112301309 - 2⁵ = 2112301277 is a prime.

It is a super-2 number, since 2×2112301309² = 8923633640006226962, 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 2112301309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112301339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056150654 + 1056150655.

It is an arithmetic number, because the mean of its divisors is an integer number (1056150655).

Almost surely, 2^2112301309 is an apocalyptic number.

It is an amenable number.

2112301309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112301309 is an equidigital number, since it uses as much as digits as its factorization.

2112301309 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 2112301309 is about 45959.7792531687. The cubic root of 2112301309 is about 1283.0747429204.

The spelling of 2112301309 in words is "two billion, one hundred twelve million, three hundred one thousand, three hundred nine".