231202133112 has 64 divisors (see below), whose sum is σ = 591837442560. Its totient is φ = 75244176000.

The previous prime is 231202133059. The next prime is 231202133159. The reversal of 231202133112 is 211331202132.

231202133112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 483139 + ... + 834162.

It is an arithmetic number, because the mean of its divisors is an integer number (9247460040).

Almost surely, 2^231202133112 is an apocalyptic number.

It is an amenable number.

231202133112 is an abundant number, since it is smaller than the sum of its proper divisors (360635309448).

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

231202133112 is a wasteful number, since it uses less digits than its factorization.

231202133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317484 (or 1317480 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231202133112 its reverse (211331202132), we get a palindrome (442533335244).

The spelling of 231202133112 in words is "two hundred thirty-one billion, two hundred two million, one hundred thirty-three thousand, one hundred twelve".