201303342209 has 2 divisors, whose sum is σ = 201303342210. Its totient is φ = 201303342208.

The previous prime is 201303342199. The next prime is 201303342239. The reversal of 201303342209 is 902243303102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138121492609 + 63181849600 = 371647^2 + 251360^2 .

It is a cyclic number.

It is not a de Polignac number, because 201303342209 - 2¹⁶ = 201303276673 is a prime.

It is not a weakly prime, because it can be changed into another prime (201303342239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100651671104 + 100651671105.

It is an arithmetic number, because the mean of its divisors is an integer number (100651671105).

Almost surely, 2^201303342209 is an apocalyptic number.

It is an amenable number.

201303342209 is a deficient number, since it is larger than the sum of its proper divisors (1).

201303342209 is an equidigital number, since it uses as much as digits as its factorization.

201303342209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 201303342209 in words is "two hundred one billion, three hundred three million, three hundred forty-two thousand, two hundred nine".