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231230068177 is a prime number
BaseRepresentation
bin1101011101011001100…
…0101101010111010001
3211002211211011112012011
43113112120231113101
512242024344140202
6254120422502521
722464045102313
oct3272630552721
9732754145164
10231230068177
118a0783886a9
1238992594a41
1318a604a5764
14b297a457b3
156035077bd7
hex35d662d5d1

231230068177 has 2 divisors, whose sum is σ = 231230068178. Its totient is φ = 231230068176.

The previous prime is 231230068151. The next prime is 231230068217. The reversal of 231230068177 is 771860032132.

It is a happy number.

It is an a-pointer prime, because the next prime (231230068217) can be obtained adding 231230068177 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213213986001 + 18016082176 = 461751^2 + 134224^2 .

It is a cyclic number.

It is not a de Polignac number, because 231230068177 - 211 = 231230066129 is a prime.

It is not a weakly prime, because it can be changed into another prime (231230060177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615034088 + 115615034089.

It is an arithmetic number, because the mean of its divisors is an integer number (115615034089).

Almost surely, 2231230068177 is an apocalyptic number.

It is an amenable number.

231230068177 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230068177 is an equidigital number, since it uses as much as digits as its factorization.

231230068177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 231230068177 in words is "two hundred thirty-one billion, two hundred thirty million, sixty-eight thousand, one hundred seventy-seven".