203228171 has 2 divisors, whose sum is σ = 203228172. Its totient is φ = 203228170.

The previous prime is 203228159. The next prime is 203228173. The reversal of 203228171 is 171822302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203228171 - 2⁶ = 203228107 is a prime.

Together with 203228173, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203228171.

It is not a weakly prime, because it can be changed into another prime (203228173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101614085 + 101614086.

It is an arithmetic number, because the mean of its divisors is an integer number (101614086).

Almost surely, 2^203228171 is an apocalyptic number.

203228171 is a deficient number, since it is larger than the sum of its proper divisors (1).

203228171 is an equidigital number, since it uses as much as digits as its factorization.

203228171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 203228171 is about 14255.8118323721. The cubic root of 203228171 is about 587.9331790033.

It can be divided in two parts, 2032 and 28171, that added together give a palindrome (30203).

The spelling of 203228171 in words is "two hundred three million, two hundred twenty-eight thousand, one hundred seventy-one".