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231042230197 is a prime number
BaseRepresentation
bin1101011100101100110…
…0001010011110110101
3211002100201201100220221
43113023030022132311
512241133302331242
6254050032454341
722456304360602
oct3271314123665
9732321640827
10231042230197
1189a913521a9
123893b6aa3b1
1318a305b911c
14b27ab0b6a9
156023822167
hex35cb30a7b5

231042230197 has 2 divisors, whose sum is σ = 231042230198. Its totient is φ = 231042230196.

The previous prime is 231042230183. The next prime is 231042230207. The reversal of 231042230197 is 791032240132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231006158161 + 36072036 = 480631^2 + 6006^2 .

It is a cyclic number.

It is not a de Polignac number, because 231042230197 - 215 = 231042197429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231042231197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115521115098 + 115521115099.

It is an arithmetic number, because the mean of its divisors is an integer number (115521115099).

Almost surely, 2231042230197 is an apocalyptic number.

It is an amenable number.

231042230197 is a deficient number, since it is larger than the sum of its proper divisors (1).

231042230197 is an equidigital number, since it uses as much as digits as its factorization.

231042230197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 231042230197 in words is "two hundred thirty-one billion, forty-two million, two hundred thirty thousand, one hundred ninety-seven".