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203031341 is a prime number
BaseRepresentation
bin11000001101000…
…00001100101101
3112011001001122022
430012200030231
5403434000331
632051355525
75013511052
oct1406401455
9464031568
10203031341
11a46734a7
1257bb2ba5
13330a8cb6
141cd71029
1512c5767b
hexc1a032d

203031341 has 2 divisors, whose sum is σ = 203031342. Its totient is φ = 203031340.

The previous prime is 203031329. The next prime is 203031371. The reversal of 203031341 is 143130302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114276100 + 88755241 = 10690^2 + 9421^2 .

It is a cyclic number.

It is not a de Polignac number, because 203031341 - 26 = 203031277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203031371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101515670 + 101515671.

It is an arithmetic number, because the mean of its divisors is an integer number (101515671).

Almost surely, 2203031341 is an apocalyptic number.

It is an amenable number.

203031341 is a deficient number, since it is larger than the sum of its proper divisors (1).

203031341 is an equidigital number, since it uses as much as digits as its factorization.

203031341 is an odious number, because the sum of its binary digits is odd.

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

The square root of 203031341 is about 14248.9066598108. The cubic root of 203031341 is about 587.7433098740.

Adding to 203031341 its reverse (143130302), we get a palindrome (346161643).

The spelling of 203031341 in words is "two hundred three million, thirty-one thousand, three hundred forty-one".