231033023312 has 40 divisors (see below), whose sum is σ = 550924905216. Its totient is φ = 91397678976.

The previous prime is 231033023261. The next prime is 231033023317. The reversal of 231033023312 is 213320330132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231033023317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79336808 + ... + 79339719.

Almost surely, 2^231033023312 is an apocalyptic number.

It is an amenable number.

231033023312 is an abundant number, since it is smaller than the sum of its proper divisors (319891881904).

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

231033023312 is a wasteful number, since it uses less digits than its factorization.

231033023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158676555 (or 158676549 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231033023312 its reverse (213320330132), we get a palindrome (444353353444).

The spelling of 231033023312 in words is "two hundred thirty-one billion, thirty-three million, twenty-three thousand, three hundred twelve".