231341110111 has 4 divisors (see below), whose sum is σ = 239318389800. Its totient is φ = 223363830424.

The previous prime is 231341110079. The next prime is 231341110123. The reversal of 231341110111 is 111011143132.

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

It is a cyclic number.

It is not a de Polignac number, because 231341110111 - 2⁵ = 231341110079 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 (231341110181) 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, 3988639801 + ... + 3988639858.

It is an arithmetic number, because the mean of its divisors is an integer number (59829597450).

Almost surely, 2^231341110111 is an apocalyptic number.

231341110111 is a deficient number, since it is larger than the sum of its proper divisors (7977279689).

231341110111 is an equidigital number, since it uses as much as digits as its factorization.

231341110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7977279688.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 231341110111 its reverse (111011143132), we get a palindrome (342352253243).

The spelling of 231341110111 in words is "two hundred thirty-one billion, three hundred forty-one million, one hundred ten thousand, one hundred eleven".