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107312213 is a prime number
BaseRepresentation
bin1100110010101…
…11010001010101
321110221000200102
412121113101111
5204432442323
614352023445
72442065411
oct631272125
9243830612
10107312213
1155636288
122bb31b85
1319303b68
1410375d41
15964b328
hex6657455

107312213 has 2 divisors, whose sum is σ = 107312214. Its totient is φ = 107312212.

The previous prime is 107312203. The next prime is 107312221. The reversal of 107312213 is 312213701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94517284 + 12794929 = 9722^2 + 3577^2 .

It is an emirp because it is prime and its reverse (312213701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107312213 - 214 = 107295829 is a prime.

It is a super-2 number, since 2×1073122132 = 23031822117914738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107312203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53656106 + 53656107.

It is an arithmetic number, because the mean of its divisors is an integer number (53656107).

Almost surely, 2107312213 is an apocalyptic number.

It is an amenable number.

107312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

107312213 is an equidigital number, since it uses as much as digits as its factorization.

107312213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 107312213 is about 10359.1608250862. The cubic root of 107312213 is about 475.2072417929.

Adding to 107312213 its reverse (312213701), we get a palindrome (419525914).

The spelling of 107312213 in words is "one hundred seven million, three hundred twelve thousand, two hundred thirteen".