201341321309 has 2 divisors, whose sum is σ = 201341321310. Its totient is φ = 201341321308.

The previous prime is 201341321263. The next prime is 201341321341. The reversal of 201341321309 is 903123143102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184832926084 + 16508395225 = 429922^2 + 128485^2 .

It is a cyclic number.

It is not a de Polignac number, because 201341321309 - 2¹² = 201341317213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201341321609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670660654 + 100670660655.

It is an arithmetic number, because the mean of its divisors is an integer number (100670660655).

Almost surely, 2^201341321309 is an apocalyptic number.

It is an amenable number.

201341321309 is a deficient number, since it is larger than the sum of its proper divisors (1).

201341321309 is an equidigital number, since it uses as much as digits as its factorization.

201341321309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 201341321309 in words is "two hundred one billion, three hundred forty-one million, three hundred twenty-one thousand, three hundred nine".