231141071 has 4 divisors (see below), whose sum is σ = 264161232. Its totient is φ = 198120912.

The previous prime is 231141047. The next prime is 231141083. The reversal of 231141071 is 170141132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231141071 - 2¹⁰ = 231140047 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 (231141011) 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, 16510070 + ... + 16510083.

It is an arithmetic number, because the mean of its divisors is an integer number (66040308).

Almost surely, 2^231141071 is an apocalyptic number.

231141071 is a deficient number, since it is larger than the sum of its proper divisors (33020161).

231141071 is an equidigital number, since it uses as much as digits as its factorization.

231141071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33020160.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 231141071 is about 15203.3243404198. The cubic root of 231141071 is about 613.7041222104.

The spelling of 231141071 in words is "two hundred thirty-one million, one hundred forty-one thousand, seventy-one".