231313230211 has 8 divisors (see below), whose sum is σ = 264418686560. Its totient is φ = 198222951168.

The previous prime is 231313230209. The next prime is 231313230233. The reversal of 231313230211 is 112032313132.

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

It is a cyclic number.

It is not a de Polignac number, because 231313230211 - 2¹ = 231313230209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231313230611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761646 + ... + 3822643.

It is an arithmetic number, because the mean of its divisors is an integer number (33052335820).

Almost surely, 2^231313230211 is an apocalyptic number.

231313230211 is a deficient number, since it is larger than the sum of its proper divisors (33105456349).

231313230211 is an equidigital number, since it uses as much as digits as its factorization.

231313230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588653.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231313230211 its reverse (112032313132), we get a palindrome (343345543343).

The spelling of 231313230211 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred thirty thousand, two hundred eleven".