231141271 has 2 divisors, whose sum is σ = 231141272. Its totient is φ = 231141270.

The previous prime is 231141269. The next prime is 231141341. The reversal of 231141271 is 172141132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231141271 - 2¹ = 231141269 is a prime.

Together with 231141269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231148271) 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 as a sum of consecutive naturals, namely, 115570635 + 115570636.

It is an arithmetic number, because the mean of its divisors is an integer number (115570636).

Almost surely, 2^231141271 is an apocalyptic number.

231141271 is a deficient number, since it is larger than the sum of its proper divisors (1).

231141271 is an equidigital number, since it uses as much as digits as its factorization.

231141271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 22.

The square root of 231141271 is about 15203.3309179272. The cubic root of 231141271 is about 613.7042992174.

The spelling of 231141271 in words is "two hundred thirty-one million, one hundred forty-one thousand, two hundred seventy-one".