201134442343 has 4 divisors (see below), whose sum is σ = 201329530128. Its totient is φ = 200939354560.

The previous prime is 201134442307. The next prime is 201134442391. The reversal of 201134442343 is 343244431102.

201134442343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201134442343 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 (201134443343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97542346 + ... + 97544407.

It is an arithmetic number, because the mean of its divisors is an integer number (50332382532).

Almost surely, 2^201134442343 is an apocalyptic number.

201134442343 is a deficient number, since it is larger than the sum of its proper divisors (195087785).

201134442343 is a wasteful number, since it uses less digits than its factorization.

201134442343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195087784.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 201134442343 its reverse (343244431102), we get a palindrome (544378873445).

The spelling of 201134442343 in words is "two hundred one billion, one hundred thirty-four million, four hundred forty-two thousand, three hundred forty-three".