231043211 has 32 divisors (see below), whose sum is σ = 296386560. Its totient is φ = 175529376.

The previous prime is 231043193. The next prime is 231043283. The reversal of 231043211 is 112340132.

231043211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231043211 - 2⁶ = 231043147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231043211.

It is not an unprimeable number, because it can be changed into a prime (231043411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142970 + ... + 144576.

It is an arithmetic number, because the mean of its divisors is an integer number (9262080).

Almost surely, 2^231043211 is an apocalyptic number.

231043211 is a deficient number, since it is larger than the sum of its proper divisors (65343349).

231043211 is a wasteful number, since it uses less digits than its factorization.

231043211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231043211 is about 15200.1056246330. The cubic root of 231043211 is about 613.6175004160.

Adding to 231043211 its reverse (112340132), we get a palindrome (343383343).

The spelling of 231043211 in words is "two hundred thirty-one million, forty-three thousand, two hundred eleven".