240203030209 has 2 divisors, whose sum is σ = 240203030210. Its totient is φ = 240203030208.

The previous prime is 240203030191. The next prime is 240203030233. The reversal of 240203030209 is 902030302042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229235076225 + 10967953984 = 478785^2 + 104728^2 .

It is a cyclic number.

It is not a de Polignac number, because 240203030209 - 2¹⁷ = 240202899137 is a prime.

It is not a weakly prime, because it can be changed into another prime (240203031209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120101515104 + 120101515105.

It is an arithmetic number, because the mean of its divisors is an integer number (120101515105).

Almost surely, 2^240203030209 is an apocalyptic number.

It is an amenable number.

240203030209 is a deficient number, since it is larger than the sum of its proper divisors (1).

240203030209 is an equidigital number, since it uses as much as digits as its factorization.

240203030209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 240203030209 in words is "two hundred forty billion, two hundred three million, thirty thousand, two hundred nine".