231124343021 has 8 divisors (see below), whose sum is σ = 271530696864. Its totient is φ = 193950497520.

The previous prime is 231124342997. The next prime is 231124343029. The reversal of 231124343021 is 120343421132.

231124343021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-231124343021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231124343029) 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 7 ways as a sum of consecutive naturals, for example, 808126931 + ... + 808127216.

It is an arithmetic number, because the mean of its divisors is an integer number (33941337108).

Almost surely, 2^231124343021 is an apocalyptic number.

It is an amenable number.

231124343021 is a deficient number, since it is larger than the sum of its proper divisors (40406353843).

231124343021 is a wasteful number, since it uses less digits than its factorization.

231124343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616254171.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231124343021 its reverse (120343421132), we get a palindrome (351467764153).

The spelling of 231124343021 in words is "two hundred thirty-one billion, one hundred twenty-four million, three hundred forty-three thousand, twenty-one".