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231244063 is a prime number
BaseRepresentation
bin11011100100010…
…00000100011111
3121010010102012221
431302020010133
5433144302223
634540210211
75505353641
oct1562100437
9533112187
10231244063
111095930a6
1265539967
1338ba660b
14229d6891
151547bb5d
hexdc8811f

231244063 has 2 divisors, whose sum is σ = 231244064. Its totient is φ = 231244062.

The previous prime is 231244051. The next prime is 231244073. The reversal of 231244063 is 360442132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231244063 - 217 = 231112991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231244033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115622031 + 115622032.

It is an arithmetic number, because the mean of its divisors is an integer number (115622032).

Almost surely, 2231244063 is an apocalyptic number.

231244063 is a deficient number, since it is larger than the sum of its proper divisors (1).

231244063 is an equidigital number, since it uses as much as digits as its factorization.

231244063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 231244063 is about 15206.7111171351. The cubic root of 231244063 is about 613.7952602459.

Adding to 231244063 its reverse (360442132), we get a palindrome (591686195).

The spelling of 231244063 in words is "two hundred thirty-one million, two hundred forty-four thousand, sixty-three".