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210131222030237 is a prime number
BaseRepresentation
bin101111110001110011111100…
…110110000110011110011101
31000120000100102011021010100202
4233301303330312012132131
5210020242220314431422
62022524541210033245
762155323366560624
oct5761637466063635
91016010364233322
10210131222030237
1160a551727a9942
121b698a09118825
13903339b527931
1439c65966446bb
151945ede283b92
hexbf1cfcd8679d

210131222030237 has 2 divisors, whose sum is σ = 210131222030238. Its totient is φ = 210131222030236.

The previous prime is 210131222030189. The next prime is 210131222030243. The reversal of 210131222030237 is 732030222131012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205087002497881 + 5044219532356 = 14320859^2 + 2245934^2 .

It is a cyclic number.

It is not a de Polignac number, because 210131222030237 - 210 = 210131222029213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210131222630237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105065611015118 + 105065611015119.

It is an arithmetic number, because the mean of its divisors is an integer number (105065611015119).

Almost surely, 2210131222030237 is an apocalyptic number.

It is an amenable number.

210131222030237 is a deficient number, since it is larger than the sum of its proper divisors (1).

210131222030237 is an equidigital number, since it uses as much as digits as its factorization.

210131222030237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 210131222030237 its reverse (732030222131012), we get a palindrome (942161444161249).

The spelling of 210131222030237 in words is "two hundred ten trillion, one hundred thirty-one billion, two hundred twenty-two million, thirty thousand, two hundred thirty-seven".