201000133331 has 4 divisors (see below), whose sum is σ = 203072299752. Its totient is φ = 198927966912.

The previous prime is 201000133273. The next prime is 201000133379. The reversal of 201000133331 is 133331000102.

201000133331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000133331 is a prime.

It is a super-2 number, since 2×201000133331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000133231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036083065 + ... + 1036083258.

It is an arithmetic number, because the mean of its divisors is an integer number (50768074938).

Almost surely, 2^201000133331 is an apocalyptic number.

201000133331 is a deficient number, since it is larger than the sum of its proper divisors (2072166421).

201000133331 is an equidigital number, since it uses as much as digits as its factorization.

201000133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072166420.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 201000133331 its reverse (133331000102), we get a palindrome (334331133433).

The spelling of 201000133331 in words is "two hundred one billion, one hundred thirty-three thousand, three hundred thirty-one".