271231 has 2 divisors, whose sum is σ = 271232. Its totient is φ = 271230.

The previous prime is 271217. The next prime is 271241. The reversal of 271231 is 132172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 271231 - 2⁹ = 270719 is a prime.

It is a super-2 number, since 2×271231² = 147132510722, which contains 22 as substring.

271231 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135615 + 135616.

It is an arithmetic number, because the mean of its divisors is an integer number (135616).

2²⁷¹²³¹ is an apocalyptic number.

271231 is a deficient number, since it is larger than the sum of its proper divisors (1).

271231 is an equidigital number, since it uses as much as digits as its factorization.

271231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 16.

The square root of 271231 is about 520.7984254969. The cubic root of 271231 is about 64.7311180613.

The spelling of 271231 in words is "two hundred seventy-one thousand, two hundred thirty-one".