201144371 has 2 divisors, whose sum is σ = 201144372. Its totient is φ = 201144370.

The previous prime is 201144347. The next prime is 201144373. The reversal of 201144371 is 173441102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201144371 - 2¹⁰ = 201143347 is a prime.

Together with 201144373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201144373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100572185 + 100572186.

It is an arithmetic number, because the mean of its divisors is an integer number (100572186).

Almost surely, 2^201144371 is an apocalyptic number.

201144371 is a deficient number, since it is larger than the sum of its proper divisors (1).

201144371 is an equidigital number, since it uses as much as digits as its factorization.

201144371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 201144371 is about 14182.5375374085. The cubic root of 201144371 is about 585.9168140528.

Adding to 201144371 its reverse (173441102), we get a palindrome (374585473).

The spelling of 201144371 in words is "two hundred one million, one hundred forty-four thousand, three hundred seventy-one".