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2013324221 is a prime number
BaseRepresentation
bin111100000000000…
…1110001110111101
312012022102110121202
41320000032032331
513110402333341
6531440305245
7100614654626
oct17000161675
95168373552
102013324221
11943518317
12482312225
1326116100c
14151566a4d
15bbb4579b
hex7800e3bd

2013324221 has 2 divisors, whose sum is σ = 2013324222. Its totient is φ = 2013324220.

The previous prime is 2013324169. The next prime is 2013324239. The reversal of 2013324221 is 1224233102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1200276025 + 813048196 = 34645^2 + 28514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013324221 - 210 = 2013323197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013324193 and 2013324202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013324241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006662110 + 1006662111.

It is an arithmetic number, because the mean of its divisors is an integer number (1006662111).

Almost surely, 22013324221 is an apocalyptic number.

It is an amenable number.

2013324221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013324221 is an equidigital number, since it uses as much as digits as its factorization.

2013324221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2013324221 is about 44870.0815800462. The cubic root of 2013324221 is about 1262.7127705441.

Adding to 2013324221 its reverse (1224233102), we get a palindrome (3237557323).

The spelling of 2013324221 in words is "two billion, thirteen million, three hundred twenty-four thousand, two hundred twenty-one".