231144104420 has 48 divisors (see below), whose sum is σ = 511002589440. Its totient is φ = 87582456576.

The previous prime is 231144104417. The next prime is 231144104531. The reversal of 231144104420 is 24401441132.

231144104420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231144104420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4562549 + ... + 4612931.

It is an arithmetic number, because the mean of its divisors is an integer number (10645887280).

Almost surely, 2^231144104420 is an apocalyptic number.

231144104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231144104420 is an abundant number, since it is smaller than the sum of its proper divisors (279858485020).

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

231144104420 is a wasteful number, since it uses less digits than its factorization.

231144104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62484 (or 62482 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 231144104420 its reverse (24401441132), we get a palindrome (255545545552).

The spelling of 231144104420 in words is "two hundred thirty-one billion, one hundred forty-four million, one hundred four thousand, four hundred twenty".