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214122317 is a prime number
BaseRepresentation
bin11001100001100…
…11111101001101
3112220220112121012
430300303331031
5414303403232
633125215005
75210003213
oct1460637515
9486815535
10214122317
11aa9592a2
125b861465
13354902c6
142061acb3
1513be89b2
hexcc33f4d

214122317 has 2 divisors, whose sum is σ = 214122318. Its totient is φ = 214122316.

The previous prime is 214122313. The next prime is 214122331. The reversal of 214122317 is 713221412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121462441 + 92659876 = 11021^2 + 9626^2 .

It is a cyclic number.

It is not a de Polignac number, because 214122317 - 22 = 214122313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214122292 and 214122301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214122313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107061158 + 107061159.

It is an arithmetic number, because the mean of its divisors is an integer number (107061159).

Almost surely, 2214122317 is an apocalyptic number.

It is an amenable number.

214122317 is a deficient number, since it is larger than the sum of its proper divisors (1).

214122317 is an equidigital number, since it uses as much as digits as its factorization.

214122317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 214122317 is about 14632.9189500933. The cubic root of 214122317 is about 598.2563423013.

Adding to 214122317 its reverse (713221412), we get a palindrome (927343729).

The spelling of 214122317 in words is "two hundred fourteen million, one hundred twenty-two thousand, three hundred seventeen".