231011023312 has 40 divisors (see below), whose sum is σ = 450897564320. Its totient is φ = 114650709120.

The previous prime is 231011023279. The next prime is 231011023319. The reversal of 231011023312 is 213320110132.

231011023312 is digitally balanced in base 2, 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 231011023312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231011023319) 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, 16101262 + ... + 16115602.

It is an arithmetic number, because the mean of its divisors is an integer number (11272439108).

Almost surely, 2^231011023312 is an apocalyptic number.

It is an amenable number.

231011023312 is a deficient number, since it is larger than the sum of its proper divisors (219886541008).

231011023312 is a wasteful number, since it uses less digits than its factorization.

231011023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21731 (or 21725 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231011023312 its reverse (213320110132), we get a palindrome (444331133444).

The spelling of 231011023312 in words is "two hundred thirty-one billion, eleven million, twenty-three thousand, three hundred twelve".