231201133112132 has 24 divisors (see below), whose sum is σ = 404758593597120. Its totient is φ = 115555828672800.

The previous prime is 231201133112129. The next prime is 231201133112153. The reversal of 231201133112132 is 231211331102132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115007918 + ... + 117000954.

It is an arithmetic number, because the mean of its divisors is an integer number (16864941399880).

Almost surely, 2^{231201133112132} is an apocalyptic number.

It is an amenable number.

231201133112132 is a deficient number, since it is larger than the sum of its proper divisors (173557460484988).

231201133112132 is a wasteful number, since it uses less digits than its factorization.

231201133112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004251 (or 2004249 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 231201133112132 its reverse (231211331102132), we get a palindrome (462412464214264).

The spelling of 231201133112132 in words is "two hundred thirty-one trillion, two hundred one billion, one hundred thirty-three million, one hundred twelve thousand, one hundred thirty-two".