231242242132 has 24 divisors (see below), whose sum is σ = 442734717600. Its totient is φ = 104807192160.

The previous prime is 231242242103. The next prime is 231242242163.

231242242132 is nontrivially palindromic in base 10.

231242242132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231242242132.

It is a congruent number.

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, 7557507 + ... + 7588042.

It is an arithmetic number, because the mean of its divisors is an integer number (18447279900).

Almost surely, 2^231242242132 is an apocalyptic number.

231242242132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231242242132 is a deficient number, since it is larger than the sum of its proper divisors (211492475468).

231242242132 is a wasteful number, since it uses less digits than its factorization.

231242242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15145911 (or 15145909 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

It can be divided in two parts, 231242 and 242132, that added together give a palindrome (473374).

The spelling of 231242242132 in words is "two hundred thirty-one billion, two hundred forty-two million, two hundred forty-two thousand, one hundred thirty-two".