201330134321 has 16 divisors (see below), whose sum is σ = 222144162240. Its totient is φ = 181754254080.

The previous prime is 201330134279. The next prime is 201330134329. The reversal of 201330134321 is 123431033102.

It is a cyclic number.

It is not a de Polignac number, because 201330134321 - 2³⁴ = 184150265137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201330134329) 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 15 ways as a sum of consecutive naturals, for example, 2971700 + ... + 3038693.

It is an arithmetic number, because the mean of its divisors is an integer number (13884010140).

Almost surely, 2^201330134321 is an apocalyptic number.

It is an amenable number.

201330134321 is a deficient number, since it is larger than the sum of its proper divisors (20814027919).

201330134321 is a wasteful number, since it uses less digits than its factorization.

201330134321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010496.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 201330134321 its reverse (123431033102), we get a palindrome (324761167423).

The spelling of 201330134321 in words is "two hundred one billion, three hundred thirty million, one hundred thirty-four thousand, three hundred twenty-one".