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212310101 is a prime number
BaseRepresentation
bin11001010011110…
…01100001010101
3112210111110201002
430221321201111
5413322410401
633022313045
75155414613
oct1451714125
9483443632
10212310101
11a99307a3
125b128785
1334ca74a3
14202a86b3
151398ba6b
hexca79855

212310101 has 2 divisors, whose sum is σ = 212310102. Its totient is φ = 212310100.

The previous prime is 212310083. The next prime is 212310113. The reversal of 212310101 is 101013212.

212310101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111809476 + 100500625 = 10574^2 + 10025^2 .

It is a cyclic number.

It is not a de Polignac number, because 212310101 - 26 = 212310037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212310151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155050 + 106155051.

It is an arithmetic number, because the mean of its divisors is an integer number (106155051).

Almost surely, 2212310101 is an apocalyptic number.

It is an amenable number.

212310101 is a deficient number, since it is larger than the sum of its proper divisors (1).

212310101 is an equidigital number, since it uses as much as digits as its factorization.

212310101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212310101 is about 14570.8647993178. The cubic root of 212310101 is about 596.5637851321.

Adding to 212310101 its reverse (101013212), we get a palindrome (313323313).

The spelling of 212310101 in words is "two hundred twelve million, three hundred ten thousand, one hundred one".