201233300321 has 4 divisors (see below), whose sum is σ = 209982574272. Its totient is φ = 192484026372.

The previous prime is 201233300293. The next prime is 201233300347. The reversal of 201233300321 is 123003332102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201233300321 - 2³⁰ = 200159558497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201233300293 and 201233300302.

It is not an unprimeable number, because it can be changed into a prime (201233300351) 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, 4374636941 + ... + 4374636986.

It is an arithmetic number, because the mean of its divisors is an integer number (52495643568).

Almost surely, 2^201233300321 is an apocalyptic number.

It is an amenable number.

201233300321 is a deficient number, since it is larger than the sum of its proper divisors (8749273951).

201233300321 is an equidigital number, since it uses as much as digits as its factorization.

201233300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749273950.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 201233300321 its reverse (123003332102), we get a palindrome (324236632423).

The spelling of 201233300321 in words is "two hundred one billion, two hundred thirty-three million, three hundred thousand, three hundred twenty-one".