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8211441131 is a prime number
BaseRepresentation
bin1111010010111000…
…01010010111101011
3210012021021102121022
413221130022113223
5113304112104011
63434451403055
7410326045415
oct75134122753
923167242538
108211441131
113534165293
121711bb348b
13a0b2a4c0a
1457c7c79b5
15330d648db
hex1e970a5eb

8211441131 has 2 divisors, whose sum is σ = 8211441132. Its totient is φ = 8211441130.

The previous prime is 8211441113. The next prime is 8211441137. The reversal of 8211441131 is 1311441128.

Together with previous prime (8211441113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8211441131 is a prime.

It is a super-2 number, since 2×82114411312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8211441131.

It is not a weakly prime, because it can be changed into another prime (8211441137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105720565 + 4105720566.

It is an arithmetic number, because the mean of its divisors is an integer number (4105720566).

Almost surely, 28211441131 is an apocalyptic number.

8211441131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8211441131 is an equidigital number, since it uses as much as digits as its factorization.

8211441131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 26.

The square root of 8211441131 is about 90617.0024388359. The cubic root of 8211441131 is about 2017.4671003522.

Adding to 8211441131 its reverse (1311441128), we get a palindrome (9522882259).

The spelling of 8211441131 in words is "eight billion, two hundred eleven million, four hundred forty-one thousand, one hundred thirty-one".