231441144132 has 96 divisors (see below), whose sum is σ = 611989862400. Its totient is φ = 67431683200.

The previous prime is 231441144119. The next prime is 231441144197.

It is a happy number.

231441144132 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 231441144132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788407 + ... + 1041377.

It is an arithmetic number, because the mean of its divisors is an integer number (6374894400).

Almost surely, 2^231441144132 is an apocalyptic number.

231441144132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231441144132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305994931200).

231441144132 is an abundant number, since it is smaller than the sum of its proper divisors (380548718268).

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

231441144132 is a wasteful number, since it uses less digits than its factorization.

231441144132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253257 (or 253255 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

It can be divided in two parts, 231441 and 144132, that added together give a palindrome (375573).

The spelling of 231441144132 in words is "two hundred thirty-one billion, four hundred forty-one million, one hundred forty-four thousand, one hundred thirty-two".