231332121292 has 24 divisors (see below), whose sum is σ = 405156200400. Its totient is φ = 115573254720.

The previous prime is 231332121289. The next prime is 231332121299. The reversal of 231332121292 is 292121233132.

231332121292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231332121299) 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, 49885998 + ... + 49890634.

It is an arithmetic number, because the mean of its divisors is an integer number (16881508350).

Almost surely, 2^231332121292 is an apocalyptic number.

It is an amenable number.

231332121292 is a deficient number, since it is larger than the sum of its proper divisors (173824079108).

231332121292 is a wasteful number, since it uses less digits than its factorization.

231332121292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961 (or 11959 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The spelling of 231332121292 in words is "two hundred thirty-one billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred ninety-two".