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211310311313 = 12713911970221
BaseRepresentation
bin1100010011001100010…
…0110111011110010001
3202012102120122000211102
43010303010313132101
511430230414430223
6241024041154145
721160316003363
oct3046304673621
9665376560742
10211310311313
1181686186522
1234b5348b955
1316c07614a8a
14a32828ad33
15576b3ac928
hex3133137791

211310311313 has 8 divisors (see below), whose sum is σ = 214506378240. Its totient is φ = 208138185360.

The previous prime is 211310311309. The next prime is 211310311351. The reversal of 211310311313 is 313113013112.

211310311313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211310311313 - 22 = 211310311309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211310311393) 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 7 ways as a sum of consecutive naturals, for example, 5967458 + ... + 6002763.

It is an arithmetic number, because the mean of its divisors is an integer number (26813297280).

Almost surely, 2211310311313 is an apocalyptic number.

It is an amenable number.

211310311313 is a deficient number, since it is larger than the sum of its proper divisors (3196066927).

211310311313 is a wasteful number, since it uses less digits than its factorization.

211310311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970487.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 211310311313 its reverse (313113013112), we get a palindrome (524423324425).

The spelling of 211310311313 in words is "two hundred eleven billion, three hundred ten million, three hundred eleven thousand, three hundred thirteen".

Divisors: 1 127 139 17653 11970221 1520218067 1663860719 211310311313