201343434205 has 4 divisors (see below), whose sum is σ = 241612121052. Its totient is φ = 161074747360.

The previous prime is 201343434203. The next prime is 201343434223. The reversal of 201343434205 is 502434343102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58977579609 + 142365854596 = 242853^2 + 377314^2 .

It is not a de Polignac number, because 201343434205 - 2¹ = 201343434203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201343434203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20134343416 + ... + 20134343425.

It is an arithmetic number, because the mean of its divisors is an integer number (60403030263).

Almost surely, 2^201343434205 is an apocalyptic number.

It is an amenable number.

201343434205 is a deficient number, since it is larger than the sum of its proper divisors (40268686847).

201343434205 is an equidigital number, since it uses as much as digits as its factorization.

201343434205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40268686846.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 201343434205 its reverse (502434343102), we get a palindrome (703777777307).

The spelling of 201343434205 in words is "two hundred one billion, three hundred forty-three million, four hundred thirty-four thousand, two hundred five".