201320331223001 has 2 divisors, whose sum is σ = 201320331223002. Its totient is φ = 201320331223000.

The previous prime is 201320331222953. The next prime is 201320331223021. The reversal of 201320331223001 is 100322133023102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121505404656601 + 79814926566400 = 11022949^2 + 8933920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201320331223001 is a prime.

It is not a weakly prime, because it can be changed into another prime (201320331223021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100660165611500 + 100660165611501.

It is an arithmetic number, because the mean of its divisors is an integer number (100660165611501).

Almost surely, 2^{201320331223001} is an apocalyptic number.

It is an amenable number.

201320331223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201320331223001 is an equidigital number, since it uses as much as digits as its factorization.

201320331223001 is an evil number, because the sum of its binary digits is even.

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

Adding to 201320331223001 its reverse (100322133023102), we get a palindrome (301642464246103).

The spelling of 201320331223001 in words is "two hundred one trillion, three hundred twenty billion, three hundred thirty-one million, two hundred twenty-three thousand, one".