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212331030211 is a prime number
BaseRepresentation
bin1100010110111111101…
…0100110011011000011
3202022001201021220221001
43011233322212123003
511434323220431321
6241313222512431
721224521656256
oct3055772463303
9668051256831
10212331030211
118205a370763
1235199295717
131703ac27661
14a3c3a6d09d
1557cacd2c91
hex316fea66c3

212331030211 has 2 divisors, whose sum is σ = 212331030212. Its totient is φ = 212331030210.

The previous prime is 212331030181. The next prime is 212331030271. The reversal of 212331030211 is 112030133212.

Adding to 212331030211 its reverse (112030133212), we get a palindrome (324361163423).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212331030211 - 215 = 212330997443 is a prime.

It is not a weakly prime, because it can be changed into another prime (212331030271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165515105 + 106165515106.

It is an arithmetic number, because the mean of its divisors is an integer number (106165515106).

Almost surely, 2212331030211 is an apocalyptic number.

212331030211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212331030211 is an equidigital number, since it uses as much as digits as its factorization.

212331030211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 212331030211 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, two hundred eleven".