201331423301 has 2 divisors, whose sum is σ = 201331423302. Its totient is φ = 201331423300.

The previous prime is 201331423297. The next prime is 201331423313. The reversal of 201331423301 is 103324133102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183582256225 + 17749167076 = 428465^2 + 133226^2 .

It is a cyclic number.

It is not a de Polignac number, because 201331423301 - 2² = 201331423297 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201331423001) 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 as a sum of consecutive naturals, namely, 100665711650 + 100665711651.

It is an arithmetic number, because the mean of its divisors is an integer number (100665711651).

Almost surely, 2^201331423301 is an apocalyptic number.

It is an amenable number.

201331423301 is a deficient number, since it is larger than the sum of its proper divisors (1).

201331423301 is an equidigital number, since it uses as much as digits as its factorization.

201331423301 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201331423301 its reverse (103324133102), we get a palindrome (304655556403).

The spelling of 201331423301 in words is "two hundred one billion, three hundred thirty-one million, four hundred twenty-three thousand, three hundred one".