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231230303 is a prime number
BaseRepresentation
bin11011100100001…
…00101101011111
3121010002201100022
431302010231133
5433143332203
634540022355
75505265553
oct1562045537
9533081308
10231230303
11109583827
12655319bb
1338ba0285
14229d1863
1515477a38
hexdc84b5f

231230303 has 2 divisors, whose sum is σ = 231230304. Its totient is φ = 231230302.

The previous prime is 231230287. The next prime is 231230341. The reversal of 231230303 is 303032132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231230303 - 24 = 231230287 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 (231230003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615151 + 115615152.

It is an arithmetic number, because the mean of its divisors is an integer number (115615152).

Almost surely, 2231230303 is an apocalyptic number.

231230303 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230303 is an equidigital number, since it uses as much as digits as its factorization.

231230303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 231230303 is about 15206.2586785836. The cubic root of 231230303 is about 613.7830855329.

Adding to 231230303 its reverse (303032132), we get a palindrome (534262435).

The spelling of 231230303 in words is "two hundred thirty-one million, two hundred thirty thousand, three hundred three".