231332011230121 has 8 divisors (see below), whose sum is σ = 237772936477440. Its totient is φ = 224901018021168.

The previous prime is 231332011230119. The next prime is 231332011230139. The reversal of 231332011230121 is 121032110233132.

231332011230121 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 not a de Polignac number, because 231332011230121 - 2¹ = 231332011230119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231332011230101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2482962361 + ... + 2483055526.

It is an arithmetic number, because the mean of its divisors is an integer number (29721617059680).

Almost surely, 2^{231332011230121} is an apocalyptic number.

It is an amenable number.

231332011230121 is a deficient number, since it is larger than the sum of its proper divisors (6440925247319).

231332011230121 is a wasteful number, since it uses less digits than its factorization.

231332011230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966019183.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 231332011230121 its reverse (121032110233132), we get a palindrome (352364121463253).

The spelling of 231332011230121 in words is "two hundred thirty-one trillion, three hundred thirty-two billion, eleven million, two hundred thirty thousand, one hundred twenty-one".