201231002130133 has 2 divisors, whose sum is σ = 201231002130134. Its totient is φ = 201231002130132.

The previous prime is 201231002130131. The next prime is 201231002130209. The reversal of 201231002130133 is 331031200132102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199693583164804 + 1537418965329 = 14131298^2 + 1239927^2 .

It is a cyclic number.

It is not a de Polignac number, because 201231002130133 - 2¹ = 201231002130131 is a prime.

Together with 201231002130131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201231002130131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100615501065066 + 100615501065067.

It is an arithmetic number, because the mean of its divisors is an integer number (100615501065067).

Almost surely, 2^{201231002130133} is an apocalyptic number.

It is an amenable number.

201231002130133 is a deficient number, since it is larger than the sum of its proper divisors (1).

201231002130133 is an equidigital number, since it uses as much as digits as its factorization.

201231002130133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201231002130133 its reverse (331031200132102), we get a palindrome (532262202262235).

The spelling of 201231002130133 in words is "two hundred one trillion, two hundred thirty-one billion, two million, one hundred thirty thousand, one hundred thirty-three".