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12131312107 is a prime number
BaseRepresentation
bin10110100110001010…
…10010000111101011
31011022110012111200211
423103011102013223
5144321103441412
65323440041551
7606424310605
oct132305220753
934273174624
1012131312107
11516589a382
1224269032b7
1311b441c5b5
14831240175
154b005cca7
hex2d31521eb

12131312107 has 2 divisors, whose sum is σ = 12131312108. Its totient is φ = 12131312106.

The previous prime is 12131312077. The next prime is 12131312111. The reversal of 12131312107 is 70121313121.

12131312107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12131312107 - 227 = 11997094379 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131312117) 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, 6065656053 + 6065656054.

It is an arithmetic number, because the mean of its divisors is an integer number (6065656054).

Almost surely, 212131312107 is an apocalyptic number.

12131312107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131312107 is an equidigital number, since it uses as much as digits as its factorization.

12131312107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 12131312107 its reverse (70121313121), we get a palindrome (82252625228).

The spelling of 12131312107 in words is "twelve billion, one hundred thirty-one million, three hundred twelve thousand, one hundred seven".