201343413421 has 8 divisors (see below), whose sum is σ = 214125390080. Its totient is φ = 188779932288.

The previous prime is 201343413377. The next prime is 201343413431. The reversal of 201343413421 is 124314343102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201343413421 - 2¹⁹ = 201342889133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201343413421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201343413431) 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 in 7 ways as a sum of consecutive naturals, for example, 54621981 + ... + 54625666.

It is an arithmetic number, because the mean of its divisors is an integer number (26765673760).

Almost surely, 2^201343413421 is an apocalyptic number.

It is an amenable number.

201343413421 is a deficient number, since it is larger than the sum of its proper divisors (12781976659).

201343413421 is a wasteful number, since it uses less digits than its factorization.

201343413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109247763.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 201343413421 its reverse (124314343102), we get a palindrome (325657756523).

The spelling of 201343413421 in words is "two hundred one billion, three hundred forty-three million, four hundred thirteen thousand, four hundred twenty-one".