231332104243 has 4 divisors (see below), whose sum is σ = 231336178920. Its totient is φ = 231328029568.

The previous prime is 231332104193. The next prime is 231332104273. The reversal of 231332104243 is 342401233132.

It is a happy number.

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-231332104243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231332104273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950958 + ... + 2066131.

It is an arithmetic number, because the mean of its divisors is an integer number (57834044730).

Almost surely, 2^231332104243 is an apocalyptic number.

231332104243 is a deficient number, since it is larger than the sum of its proper divisors (4074677).

231332104243 is an equidigital number, since it uses as much as digits as its factorization.

231332104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074676.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231332104243 its reverse (342401233132), we get a palindrome (573733337375).

The spelling of 231332104243 in words is "two hundred thirty-one billion, three hundred thirty-two million, one hundred four thousand, two hundred forty-three".