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12311711 is a prime number
BaseRepresentation
bin101110111101…
…110010011111
3212011111111022
4232331302133
511122433321
61115514355
7206435126
oct56756237
925144438
1012311711
116a49a75
1241589bb
132720b49
1418c6abd
151132dab
hexbbdc9f

12311711 has 2 divisors, whose sum is σ = 12311712. Its totient is φ = 12311710.

The previous prime is 12311701. The next prime is 12311729. The reversal of 12311711 is 11711321.

It is a weak prime.

It is an emirp because it is prime and its reverse (11711321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12311711 - 210 = 12310687 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12311711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12311701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155855 + 6155856.

It is an arithmetic number, because the mean of its divisors is an integer number (6155856).

Almost surely, 212311711 is an apocalyptic number.

12311711 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311711 is an equidigital number, since it uses as much as digits as its factorization.

12311711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42, while the sum is 17.

The square root of 12311711 is about 3508.8047822585. The cubic root of 12311711 is about 230.9082611425.

The spelling of 12311711 in words is "twelve million, three hundred eleven thousand, seven hundred eleven".