201331001133 has 12 divisors (see below), whose sum is σ = 298671215388. Its totient is φ = 130593081600.

The previous prime is 201331001089. The next prime is 201331001141. The reversal of 201331001133 is 331100133102.

It is a happy number.

201331001133 is a `hidden beast` number, since 201 + 331 + 0 + 0 + 1 + 133 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 194034083049 + 7296918084 = 440493^2 + 85422^2 .

It is not a de Polignac number, because 201331001133 - 2⁸ = 201331000877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331001533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302298468 + ... + 302299133.

It is an arithmetic number, because the mean of its divisors is an integer number (24889267949).

Almost surely, 2^201331001133 is an apocalyptic number.

It is an amenable number.

201331001133 is a deficient number, since it is larger than the sum of its proper divisors (97340214255).

201331001133 is a wasteful number, since it uses less digits than its factorization.

201331001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604597644 (or 604597641 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 201331001133 its reverse (331100133102), we get a palindrome (532431134235).

The spelling of 201331001133 in words is "two hundred one billion, three hundred thirty-one million, one thousand, one hundred thirty-three".