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231259103 is a prime number
BaseRepresentation
bin11011100100010…
…11101111011111
3121010011011211222
431302023233133
5433200242403
634540403555
75505445535
oct1562135737
9533134758
10231259103
111095a3429
12655465bb
1338bb040a
14229dc155
1515481338
hexdc8bbdf

231259103 has 2 divisors, whose sum is σ = 231259104. Its totient is φ = 231259102.

The previous prime is 231259097. The next prime is 231259157. The reversal of 231259103 is 301952132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231259103 - 218 = 230996959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231259003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115629551 + 115629552.

It is an arithmetic number, because the mean of its divisors is an integer number (115629552).

Almost surely, 2231259103 is an apocalyptic number.

231259103 is a deficient number, since it is larger than the sum of its proper divisors (1).

231259103 is an equidigital number, since it uses as much as digits as its factorization.

231259103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 231259103 is about 15207.2056275964. The cubic root of 231259103 is about 613.8085669379.

The spelling of 231259103 in words is "two hundred thirty-one million, two hundred fifty-nine thousand, one hundred three".