231042320044224 has 224 divisors, whose sum is σ = 674777056718016. Its totient is φ = 69315121643520.

The previous prime is 231042320044223. The next prime is 231042320044243. The reversal of 231042320044224 is 422440023240132.

It is a happy number.

It is a super-2 number, since 2×231042320044224² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231042320044223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172998994 + ... + 174329390.

It is an arithmetic number, because the mean of its divisors is an integer number (3012397574634).

Almost surely, 2^{231042320044224} is an apocalyptic number.

231042320044224 is a gapful number since it is divisible by the number (24) 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 231042320044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337388528359008).

231042320044224 is an abundant number, since it is smaller than the sum of its proper divisors (443734736673792).

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

231042320044224 is a wasteful number, since it uses less digits than its factorization.

231042320044224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332163 (or 1332153 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 231042320044224 its reverse (422440023240132), we get a palindrome (653482343284356).

The spelling of 231042320044224 in words is "two hundred thirty-one trillion, forty-two billion, three hundred twenty million, forty-four thousand, two hundred twenty-four".