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12311701 is a prime number
BaseRepresentation
bin101110111101…
…110010010101
3212011111110221
4232331302111
511122433301
61115514341
7206435113
oct56756225
925144427
1012311701
116a49a66
1241589b1
132720b3c
1418c6ab3
151132da1
hexbbdc95

12311701 has 2 divisors, whose sum is σ = 12311702. Its totient is φ = 12311700.

The previous prime is 12311699. The next prime is 12311711. The reversal of 12311701 is 10711321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6426225 + 5885476 = 2535^2 + 2426^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311701 - 21 = 12311699 is a prime.

Together with 12311699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12311711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155850 + 6155851.

It is an arithmetic number, because the mean of its divisors is an integer number (6155851).

Almost surely, 212311701 is an apocalyptic number.

It is an amenable number.

12311701 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311701 is an equidigital number, since it uses as much as digits as its factorization.

12311701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 12311701 is about 3508.8033572715. The cubic root of 12311701 is about 230.9081986252.

The spelling of 12311701 in words is "twelve million, three hundred eleven thousand, seven hundred one".