203201231 has 8 divisors (see below), whose sum is σ = 210853200. Its totient is φ = 195592320.

The previous prime is 203201213. The next prime is 203201263. The reversal of 203201231 is 132102302.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203201231 is a prime.

It is a super-2 number, since 2×203201231² = 82581480559830722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203201281) 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, 986 + ... + 20183.

It is an arithmetic number, because the mean of its divisors is an integer number (26356650).

Almost surely, 2^203201231 is an apocalyptic number.

203201231 is a deficient number, since it is larger than the sum of its proper divisors (7651969).

203201231 is a wasteful number, since it uses less digits than its factorization.

203201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21529.

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

The square root of 203201231 is about 14254.8669232652. The cubic root of 203201231 is about 587.9071989769.

Adding to 203201231 its reverse (132102302), we get a palindrome (335303533).

The spelling of 203201231 in words is "two hundred three million, two hundred one thousand, two hundred thirty-one".