232131442243 has 4 divisors (see below), whose sum is σ = 235400899248. Its totient is φ = 228861985240.

The previous prime is 232131442201. The next prime is 232131442253. The reversal of 232131442243 is 342244131232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232131442243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232131442253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634728396 + ... + 1634728537.

It is an arithmetic number, because the mean of its divisors is an integer number (58850224812).

Almost surely, 2^232131442243 is an apocalyptic number.

232131442243 is a deficient number, since it is larger than the sum of its proper divisors (3269457005).

232131442243 is an equidigital number, since it uses as much as digits as its factorization.

232131442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269457004.

The product of its digits is 27648, while the sum is 31.

Adding to 232131442243 its reverse (342244131232), we get a palindrome (574375573475).

The spelling of 232131442243 in words is "two hundred thirty-two billion, one hundred thirty-one million, four hundred forty-two thousand, two hundred forty-three".