231213330224 has 80 divisors (see below), whose sum is σ = 483790821120. Its totient is φ = 106718895360.

The previous prime is 231213330211. The next prime is 231213330251. The reversal of 231213330224 is 422033312132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231213330193 and 231213330202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35972099 + ... + 35978525.

It is an arithmetic number, because the mean of its divisors is an integer number (6047385264).

Almost surely, 2^231213330224 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 231213330224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241895410560).

231213330224 is an abundant number, since it is smaller than the sum of its proper divisors (252577490896).

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

231213330224 is a wasteful number, since it uses less digits than its factorization.

231213330224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858 (or 9852 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 231213330224 its reverse (422033312132), we get a palindrome (653246642356).

The spelling of 231213330224 in words is "two hundred thirty-one billion, two hundred thirteen million, three hundred thirty thousand, two hundred twenty-four".