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2321320217 is a prime number
BaseRepresentation
bin1000101001011100…
…1000100100011001
312222202222021200212
42022113020210121
514223224221332
61022201540505
7111344616266
oct21227104431
95882867625
102321320217
11a91363267
125494a4735
132acbcb478
1418041c26d
15d8bd38b2
hex8a5c8919

2321320217 has 2 divisors, whose sum is σ = 2321320218. Its totient is φ = 2321320216.

The previous prime is 2321320181. The next prime is 2321320229. The reversal of 2321320217 is 7120231232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1646411776 + 674908441 = 40576^2 + 25979^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321320217 - 26 = 2321320153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321320192 and 2321320201.

It is not a weakly prime, because it can be changed into another prime (2321320237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160660108 + 1160660109.

It is an arithmetic number, because the mean of its divisors is an integer number (1160660109).

Almost surely, 22321320217 is an apocalyptic number.

It is an amenable number.

2321320217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321320217 is an equidigital number, since it uses as much as digits as its factorization.

2321320217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2321320217 is about 48180.0811228043. The cubic root of 2321320217 is about 1324.0722527983.

Adding to 2321320217 its reverse (7120231232), we get a palindrome (9441551449).

The spelling of 2321320217 in words is "two billion, three hundred twenty-one million, three hundred twenty thousand, two hundred seventeen".