201334143 has 4 divisors (see below), whose sum is σ = 268445528. Its totient is φ = 134222760.

The previous prime is 201334141. The next prime is 201334151. The reversal of 201334143 is 341433102.

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

It is not a de Polignac number, because 201334143 - 2¹ = 201334141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201334141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33555688 + ... + 33555693.

It is an arithmetic number, because the mean of its divisors is an integer number (67111382).

Almost surely, 2^201334143 is an apocalyptic number.

201334143 is a deficient number, since it is larger than the sum of its proper divisors (67111385).

201334143 is an equidigital number, since it uses as much as digits as its factorization.

201334143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67111384.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 201334143 is about 14189.2263002603. The cubic root of 201334143 is about 586.1010194826.

Adding to 201334143 its reverse (341433102), we get a palindrome (542767245).

The spelling of 201334143 in words is "two hundred one million, three hundred thirty-four thousand, one hundred forty-three".