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2320117231 is a prime number
BaseRepresentation
bin1000101001001010…
…0010110111101111
312222200201011111211
42022102202313233
514222422222411
61022120055251
7111331446115
oct21222426757
95880634454
102320117231
11a90711463
12549004527
132ac899a43
141801c7ab5
15d8a47221
hex8a4a2def

2320117231 has 2 divisors, whose sum is σ = 2320117232. Its totient is φ = 2320117230.

The previous prime is 2320117223. The next prime is 2320117297. The reversal of 2320117231 is 1327110232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320117231 - 23 = 2320117223 is a prime.

It is a super-2 number, since 2×23201172312 = 10765887931166214722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320117201) 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, 1160058615 + 1160058616.

It is an arithmetic number, because the mean of its divisors is an integer number (1160058616).

Almost surely, 22320117231 is an apocalyptic number.

2320117231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320117231 is an equidigital number, since it uses as much as digits as its factorization.

2320117231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2320117231 is about 48167.5952378775. The cubic root of 2320117231 is about 1323.8434870575.

Adding to 2320117231 its reverse (1327110232), we get a palindrome (3647227463).

The spelling of 2320117231 in words is "two billion, three hundred twenty million, one hundred seventeen thousand, two hundred thirty-one".