231111132123110 has 64 divisors (see below), whose sum is σ = 442248260054400. Its totient is φ = 86656069969920.

The previous prime is 231111132123073. The next prime is 231111132123119. The reversal of 231111132123110 is 11321231111132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231111132123119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42020591 + ... + 47201189.

It is an arithmetic number, because the mean of its divisors is an integer number (6910129063350).

Almost surely, 2^{231111132123110} is an apocalyptic number.

231111132123110 is a deficient number, since it is larger than the sum of its proper divisors (211137127931290).

231111132123110 is a wasteful number, since it uses less digits than its factorization.

231111132123110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181681.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 231111132123110 its reverse (11321231111132), we get a palindrome (242432363234242).

The spelling of 231111132123110 in words is "two hundred thirty-one trillion, one hundred eleven billion, one hundred thirty-two million, one hundred twenty-three thousand, one hundred ten".