231205065890484 has 96 divisors (see below), whose sum is σ = 620129409822720. Its totient is φ = 65674908240768.

The previous prime is 231205065890423. The next prime is 231205065890489. The reversal of 231205065890484 is 484098560502132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231205065890489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65845557 + ... + 69267939.

It is an arithmetic number, because the mean of its divisors is an integer number (6459681352320).

Almost surely, 2^{231205065890484} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231205065890484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310064704911360).

231205065890484 is an abundant number, since it is smaller than the sum of its proper divisors (388924343932236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231205065890484 is a wasteful number, since it uses less digits than its factorization.

231205065890484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427069 (or 3427067 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 231205065890484 in words is "two hundred thirty-one trillion, two hundred five billion, sixty-five million, eight hundred ninety thousand, four hundred eighty-four".