231241214111 has 4 divisors (see below), whose sum is σ = 231242320272. Its totient is φ = 231240107952.

The previous prime is 231241214107. The next prime is 231241214147. The reversal of 231241214111 is 111412142132.

It is a semiprime because it is the product of two primes, 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 231241214111 - 2² = 231241214107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231241214011) 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, 133310 + ... + 693003.

It is an arithmetic number, because the mean of its divisors is an integer number (57810580068).

Almost surely, 2^231241214111 is an apocalyptic number.

231241214111 is a deficient number, since it is larger than the sum of its proper divisors (1106161).

231241214111 is an equidigital number, since it uses as much as digits as its factorization.

231241214111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106160.

The product of its digits is 384, while the sum is 23.

Adding to 231241214111 its reverse (111412142132), we get a palindrome (342653356243).

The spelling of 231241214111 in words is "two hundred thirty-one billion, two hundred forty-one million, two hundred fourteen thousand, one hundred eleven".