231232011112 has 32 divisors (see below), whose sum is σ = 456914253600. Its totient is φ = 109402484544.

The previous prime is 231232011083. The next prime is 231232011151. The reversal of 231232011112 is 211110232132.

231232011112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 231232011112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762058 + ... + 1021369.

It is an arithmetic number, because the mean of its divisors is an integer number (14278570425).

Almost surely, 2^231232011112 is an apocalyptic number.

It is an amenable number.

231232011112 is a deficient number, since it is larger than the sum of its proper divisors (225682242488).

231232011112 is a wasteful number, since it uses less digits than its factorization.

231232011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784305 (or 1784301 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231232011112 its reverse (211110232132), we get a palindrome (442342243244).

The spelling of 231232011112 in words is "two hundred thirty-one billion, two hundred thirty-two million, eleven thousand, one hundred twelve".