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211200230331 = 3411330775161
BaseRepresentation
bin1100010010110010000…
…0111100001110111011
3202012010220111100010000
43010230200330032323
511430014224332311
6241005105524043
721154511223516
oct3045440741673
9665126440100
10211200230331
118162a02a002
1234b22643623
1316bba8818bc
14a3177d3d7d
1557618b6056
hex312c83c3bb

211200230331 has 40 divisors (see below), whose sum is σ = 319329665424. Its totient is φ = 139097710080.

The previous prime is 211200230317. The next prime is 211200230333. The reversal of 211200230331 is 133032002112.

211200230331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211200230331 - 25 = 211200230299 is a prime.

It is a super-2 number, since 2×2112002303312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211200230333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2772391 + ... + 2847551.

Almost surely, 2211200230331 is an apocalyptic number.

211200230331 is a deficient number, since it is larger than the sum of its proper divisors (108129435093).

211200230331 is a wasteful number, since it uses less digits than its factorization.

211200230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75593 (or 75584 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211200230331 its reverse (133032002112), we get a palindrome (344232232443).

The spelling of 211200230331 in words is "two hundred eleven billion, two hundred million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 3 9 27 81 113 307 339 921 1017 2763 3051 8289 9153 24867 34691 75161 104073 225483 312219 676449 936657 2029347 2809971 6088041 8493193 23074427 25479579 69223281 76438737 207669843 229316211 623009529 687948633 1869028587 2607410251 7822230753 23466692259 70400076777 211200230331