201131143 has 8 divisors (see below), whose sum is σ = 204573600. Its totient is φ = 197705760.

The previous prime is 201131141. The next prime is 201131171. The reversal of 201131143 is 341131102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201131143 - 2¹ = 201131141 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 (201131141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20721 + ... + 28837.

It is an arithmetic number, because the mean of its divisors is an integer number (25571700).

Almost surely, 2^201131143 is an apocalyptic number.

201131143 is a deficient number, since it is larger than the sum of its proper divisors (3442457).

201131143 is an equidigital number, since it uses as much as digits as its factorization.

201131143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 201131143 is about 14182.0711816011. The cubic root of 201131143 is about 585.9039697501.

Adding to 201131143 its reverse (341131102), we get a palindrome (542262245).

The spelling of 201131143 in words is "two hundred one million, one hundred thirty-one thousand, one hundred forty-three".