231200233312132 has 24 divisors (see below), whose sum is σ = 462406287946176. Its totient is φ = 99084566850528.

The previous prime is 231200233312099. The next prime is 231200233312141. The reversal of 231200233312132 is 231213332002132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 231200233312132.

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, 49710538 + ... + 54162145.

It is an arithmetic number, because the mean of its divisors is an integer number (19266928664424).

Almost surely, 2^{231200233312132} is an apocalyptic number.

It is an amenable number.

231200233312132 is an abundant number, since it is smaller than the sum of its proper divisors (231206054634044).

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

231200233312132 is a wasteful number, since it uses less digits than its factorization.

231200233312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103952187 (or 103952185 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 231200233312132 its reverse (231213332002132), we get a palindrome (462413565314264).

The spelling of 231200233312132 in words is "two hundred thirty-one trillion, two hundred billion, two hundred thirty-three million, three hundred twelve thousand, one hundred thirty-two".