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2311210201 is a prime number
BaseRepresentation
bin1000100111000010…
…0100010011011001
312222001221122100211
42021300210103121
514213132211301
61021201131121
7111162651106
oct21160442331
95861848324
102311210201
11a86688483
12546029aa1
132aaa9b801
1417cd49aad
15d7d88051
hex89c244d9

2311210201 has 2 divisors, whose sum is σ = 2311210202. Its totient is φ = 2311210200.

The previous prime is 2311210199. The next prime is 2311210219. The reversal of 2311210201 is 1020121132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1736888976 + 574321225 = 41676^2 + 23965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311210201 - 21 = 2311210199 is a prime.

Together with 2311210199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2311210241) 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, 1155605100 + 1155605101.

It is an arithmetic number, because the mean of its divisors is an integer number (1155605101).

Almost surely, 22311210201 is an apocalyptic number.

It is an amenable number.

2311210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311210201 is an equidigital number, since it uses as much as digits as its factorization.

2311210201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2311210201 is about 48075.0475922801. The cubic root of 2311210201 is about 1322.1472171251.

Adding to 2311210201 its reverse (1020121132), we get a palindrome (3331331333).

The spelling of 2311210201 in words is "two billion, three hundred eleven million, two hundred ten thousand, two hundred one".