231203201 has 4 divisors (see below), whose sum is σ = 231768900. Its totient is φ = 230637504.

The previous prime is 231203183. The next prime is 231203207. The reversal of 231203201 is 102302132.

It is a happy number.

231203201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207388801 + 23814400 = 14401^2 + 4880^2 .

It is a cyclic number.

It is not a de Polignac number, because 231203201 - 2¹⁰ = 231202177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231203207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282236 + ... + 283053.

It is an arithmetic number, because the mean of its divisors is an integer number (57942225).

Almost surely, 2^231203201 is an apocalyptic number.

It is an amenable number.

231203201 is a deficient number, since it is larger than the sum of its proper divisors (565699).

231203201 is an equidigital number, since it uses as much as digits as its factorization.

231203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565698.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 231203201 is about 15205.3675062459. The cubic root of 231203201 is about 613.7591045365.

Adding to 231203201 its reverse (102302132), we get a palindrome (333505333).

The spelling of 231203201 in words is "two hundred thirty-one million, two hundred three thousand, two hundred one".