201133043 has 4 divisors (see below), whose sum is σ = 204430368. Its totient is φ = 197835720.

The previous prime is 201133027. The next prime is 201133109. The reversal of 201133043 is 340331102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340331102 = 2 ⋅170165551.

It is a cyclic number.

It is not a de Polignac number, because 201133043 - 2⁴ = 201133027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201133243) 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, 1648571 + ... + 1648692.

It is an arithmetic number, because the mean of its divisors is an integer number (51107592).

Almost surely, 2^201133043 is an apocalyptic number.

201133043 is a deficient number, since it is larger than the sum of its proper divisors (3297325).

201133043 is an equidigital number, since it uses as much as digits as its factorization.

201133043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297324.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 201133043 is about 14182.1381674274. The cubic root of 201133043 is about 585.9058146725.

Adding to 201133043 its reverse (340331102), we get a palindrome (541464145).

The spelling of 201133043 in words is "two hundred one million, one hundred thirty-three thousand, forty-three".