201340343 has 4 divisors (see below), whose sum is σ = 201370368. Its totient is φ = 201310320.

The previous prime is 201340327. The next prime is 201340361. The reversal of 201340343 is 343043102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201340343 - 2⁴ = 201340327 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 (201340943) 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, 155 + ... + 20067.

It is an arithmetic number, because the mean of its divisors is an integer number (50342592).

Almost surely, 2^201340343 is an apocalyptic number.

201340343 is a deficient number, since it is larger than the sum of its proper divisors (30025).

201340343 is a wasteful number, since it uses less digits than its factorization.

201340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30024.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 201340343 is about 14189.4447741975. Note that the first 3 decimals coincide. The cubic root of 201340343 is about 586.1070356653.

Adding to 201340343 its reverse (343043102), we get a palindrome (544383445).

The spelling of 201340343 in words is "two hundred one million, three hundred forty thousand, three hundred forty-three".