231233201 has 8 divisors (see below), whose sum is σ = 244973160. Its totient is φ = 217508608.

The previous prime is 231233183. The next prime is 231233203. The reversal of 231233201 is 102332132.

231233201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51136801 + 180096400 = 7151^2 + 13420^2 .

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

It is not a de Polignac number, because 231233201 - 2²² = 227038897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231233201.

It is not an unprimeable number, because it can be changed into a prime (231233203) 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, 44975 + ... + 49851.

It is an arithmetic number, because the mean of its divisors is an integer number (30621645).

Almost surely, 2^231233201 is an apocalyptic number.

It is an amenable number.

231233201 is a deficient number, since it is larger than the sum of its proper divisors (13739959).

231233201 is a wasteful number, since it uses less digits than its factorization.

231233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683.

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

The square root of 231233201 is about 15206.3539679964. The cubic root of 231233201 is about 613.7856496950.

Adding to 231233201 its reverse (102332132), we get a palindrome (333565333).

The spelling of 231233201 in words is "two hundred thirty-one million, two hundred thirty-three thousand, two hundred one".