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211031212079 is a prime number
BaseRepresentation
bin1100010010001001110…
…0001100000000101111
3202011201010110022122202
43010202130030000233
511424142442241304
6240540231132115
721150356464112
oct3044234140057
9664633408582
10211031212079
11815526880a6
1234a95b1403b
1316b918543bc
14a2dd198579
155751b2b81e
hex312270c02f

211031212079 has 2 divisors, whose sum is σ = 211031212080. Its totient is φ = 211031212078.

The previous prime is 211031212039. The next prime is 211031212111. The reversal of 211031212079 is 970212130112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211031212079 - 212 = 211031207983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211031212039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105515606039 + 105515606040.

It is an arithmetic number, because the mean of its divisors is an integer number (105515606040).

Almost surely, 2211031212079 is an apocalyptic number.

211031212079 is a deficient number, since it is larger than the sum of its proper divisors (1).

211031212079 is an equidigital number, since it uses as much as digits as its factorization.

211031212079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 211031212079 in words is "two hundred eleven billion, thirty-one million, two hundred twelve thousand, seventy-nine".