231332201 has 8 divisors (see below), whose sum is σ = 243705600. Its totient is φ = 218978640.

The previous prime is 231332197. The next prime is 231332237. The reversal of 231332201 is 102233132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231332201 - 2² = 231332197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231332201.

It is not an unprimeable number, because it can be changed into a prime (231332281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23111 + ... + 31571.

It is an arithmetic number, because the mean of its divisors is an integer number (30463200).

Almost surely, 2^231332201 is an apocalyptic number.

It is an amenable number.

231332201 is a deficient number, since it is larger than the sum of its proper divisors (12373399).

231332201 is a wasteful number, since it uses less digits than its factorization.

231332201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 231332201 is about 15209.6088378367. The cubic root of 231332201 is about 613.8732324313.

Adding to 231332201 its reverse (102233132), we get a palindrome (333565333).

The spelling of 231332201 in words is "two hundred thirty-one million, three hundred thirty-two thousand, two hundred one".