211230271 has 8 divisors (see below), whose sum is σ = 241537184. Its totient is φ = 180956160.

The previous prime is 211230263. The next prime is 211230301. The reversal of 211230271 is 172032112.

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

It is not a de Polignac number, because 211230271 - 2³ = 211230263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211230221) 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 in 7 ways as a sum of consecutive naturals, for example, 7651 + ... + 21931.

It is an arithmetic number, because the mean of its divisors is an integer number (30192148).

Almost surely, 2^211230271 is an apocalyptic number.

211230271 is a deficient number, since it is larger than the sum of its proper divisors (30306913).

211230271 is a wasteful number, since it uses less digits than its factorization.

211230271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 211230271 is about 14533.7631396690. The cubic root of 211230271 is about 595.5506716108.

Adding to 211230271 its reverse (172032112), we get a palindrome (383262383).

The spelling of 211230271 in words is "two hundred eleven million, two hundred thirty thousand, two hundred seventy-one".