2030240309 has 2 divisors, whose sum is σ = 2030240310. Its totient is φ = 2030240308.

The previous prime is 2030240299. The next prime is 2030240339. The reversal of 2030240309 is 9030420302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1591212100 + 439028209 = 39890^2 + 20953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030240309 - 2⁸ = 2030240053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030240339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015120154 + 1015120155.

It is an arithmetic number, because the mean of its divisors is an integer number (1015120155).

Almost surely, 2^2030240309 is an apocalyptic number.

It is an amenable number.

2030240309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030240309 is an equidigital number, since it uses as much as digits as its factorization.

2030240309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2030240309 is about 45058.1880350287. The cubic root of 2030240309 is about 1266.2393783694.

The spelling of 2030240309 in words is "two billion, thirty million, two hundred forty thousand, three hundred nine".