201343010321 has 16 divisors (see below), whose sum is σ = 210521980800. Its totient is φ = 192199865088.

The previous prime is 201343010303. The next prime is 201343010353. The reversal of 201343010321 is 123010343102.

It is a cyclic number.

It is not a de Polignac number, because 201343010321 - 2⁶ = 201343010257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201343010293 and 201343010302.

It is not an unprimeable number, because it can be changed into a prime (201343010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28318715 + ... + 28325823.

It is an arithmetic number, because the mean of its divisors is an integer number (13157623800).

Almost surely, 2^201343010321 is an apocalyptic number.

It is an amenable number.

201343010321 is a deficient number, since it is larger than the sum of its proper divisors (9178970479).

201343010321 is a wasteful number, since it uses less digits than its factorization.

201343010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201343010321 its reverse (123010343102), we get a palindrome (324353353423).

The spelling of 201343010321 in words is "two hundred one billion, three hundred forty-three million, ten thousand, three hundred twenty-one".