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2321162213 is a prime number
BaseRepresentation
bin1000101001011010…
…0001111111100101
312222202200020221212
42022112201333211
514223204142323
61022154321205
7111343360526
oct21226417745
95882606855
102321162213
11a91265587
12549429205
132acb74586
141803ba84d
15d8ba1b78
hex8a5a1fe5

2321162213 has 2 divisors, whose sum is σ = 2321162214. Its totient is φ = 2321162212.

The previous prime is 2321162209. The next prime is 2321162297. The reversal of 2321162213 is 3122611232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1525527364 + 795634849 = 39058^2 + 28207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321162213 - 22 = 2321162209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321162203) 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, 1160581106 + 1160581107.

It is an arithmetic number, because the mean of its divisors is an integer number (1160581107).

Almost surely, 22321162213 is an apocalyptic number.

It is an amenable number.

2321162213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321162213 is an equidigital number, since it uses as much as digits as its factorization.

2321162213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 2321162213 is about 48178.4413716343. The cubic root of 2321162213 is about 1324.0422104891.

Adding to 2321162213 its reverse (3122611232), we get a palindrome (5443773445).

The spelling of 2321162213 in words is "two billion, three hundred twenty-one million, one hundred sixty-two thousand, two hundred thirteen".