231242324132 has 12 divisors (see below), whose sum is σ = 404775238476. Its totient is φ = 115592256000.

The previous prime is 231242324123. The next prime is 231242324147. The reversal of 231242324132 is 231423242132.

It can be written as a sum of positive squares in 2 ways, for example, as 19001519716 + 212240804416 = 137846^2 + 460696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231242324095 and 231242324104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7208513 + ... + 7240520.

It is an arithmetic number, because the mean of its divisors is an integer number (33731269873).

Almost surely, 2^231242324132 is an apocalyptic number.

It is an amenable number.

231242324132 is a deficient number, since it is larger than the sum of its proper divisors (173532914344).

231242324132 is a wasteful number, since it uses less digits than its factorization.

231242324132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14453038 (or 14453036 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 231242324132 its reverse (231423242132), we get a palindrome (462665566264).

The spelling of 231242324132 in words is "two hundred thirty-one billion, two hundred forty-two million, three hundred twenty-four thousand, one hundred thirty-two".