231243014 has 4 divisors (see below), whose sum is σ = 346864524. Its totient is φ = 115621506.

The previous prime is 231243011. The next prime is 231243017. The reversal of 231243014 is 410342132.

231243014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (231243011) and next prime (231243017).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231243011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57810752 + ... + 57810755.

It is an arithmetic number, because the mean of its divisors is an integer number (86716131).

Almost surely, 2^231243014 is an apocalyptic number.

231243014 is a deficient number, since it is larger than the sum of its proper divisors (115621510).

231243014 is a wasteful number, since it uses less digits than its factorization.

231243014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115621509.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 231243014 is about 15206.6766257457. The cubic root of 231243014 is about 613.7943321180.

Adding to 231243014 its reverse (410342132), we get a palindrome (641585146).

The spelling of 231243014 in words is "two hundred thirty-one million, two hundred forty-three thousand, fourteen".