203032231 has 2 divisors, whose sum is σ = 203032232. Its totient is φ = 203032230.

The previous prime is 203032223. The next prime is 203032267. The reversal of 203032231 is 132230302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203032231 - 2³ = 203032223 is a prime.

It is a super-2 number, since 2×203032231² = 82444173649674722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203032211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101516115 + 101516116.

It is an arithmetic number, because the mean of its divisors is an integer number (101516116).

Almost surely, 2^203032231 is an apocalyptic number.

203032231 is a deficient number, since it is larger than the sum of its proper divisors (1).

203032231 is an equidigital number, since it uses as much as digits as its factorization.

203032231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 203032231 is about 14248.9378902429. The cubic root of 203032231 is about 587.7441686754.

Adding to 203032231 its reverse (132230302), we get a palindrome (335262533).

The spelling of 203032231 in words is "two hundred three million, thirty-two thousand, two hundred thirty-one".