231432432244421 has 8 divisors (see below), whose sum is σ = 233701142525760. Its totient is φ = 229164141068352.

The previous prime is 231432432244381. The next prime is 231432432244441. The reversal of 231432432244421 is 124442234234132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231432432244421 - 2²⁶ = 231432365135557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231432432244441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103666436 + ... + 105875373.

It is an arithmetic number, because the mean of its divisors is an integer number (29212642815720).

Almost surely, 2^{231432432244421} is an apocalyptic number.

It is an amenable number.

231432432244421 is a deficient number, since it is larger than the sum of its proper divisors (2268710281339).

231432432244421 is a wasteful number, since it uses less digits than its factorization.

231432432244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209552635.

The product of its digits is 884736, while the sum is 41.

Adding to 231432432244421 its reverse (124442234234132), we get a palindrome (355874666478553).

The spelling of 231432432244421 in words is "two hundred thirty-one trillion, four hundred thirty-two billion, four hundred thirty-two million, two hundred forty-four thousand, four hundred twenty-one".