231210241 has 4 divisors (see below), whose sum is σ = 231241392. Its totient is φ = 231179092.

The previous prime is 231210227. The next prime is 231210263. The reversal of 231210241 is 142012132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231210241 - 2⁹ = 231209729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231210041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730 + ... + 21676.

It is an arithmetic number, because the mean of its divisors is an integer number (57810348).

Almost surely, 2^231210241 is an apocalyptic number.

It is an amenable number.

231210241 is a deficient number, since it is larger than the sum of its proper divisors (31151).

231210241 is a wasteful number, since it uses less digits than its factorization.

231210241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31150.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 231210241 is about 15205.5990016836. The cubic root of 231210241 is about 613.7653340066.

Adding to 231210241 its reverse (142012132), we get a palindrome (373222373).

The spelling of 231210241 in words is "two hundred thirty-one million, two hundred ten thousand, two hundred forty-one".