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211011110202131 = 53179130843169991
BaseRepresentation
bin101111111110100111011010…
…010001000110101100010011
31000200010110120002002111000122
4233332213122101012230103
5210124201223202432011
62024441055451140455
762306023006620041
oct5776473221065423
91020113502074018
10211011110202131
116126434472a598
121b7bb449a4472b
1390983543b3925
143a16dc6955391
15195dd3ad053db
hexbfe9da446b13

211011110202131 has 16 divisors (see below), whose sum is σ = 216196451170560. Its totient is φ = 205870393104480.

The previous prime is 211011110202127. The next prime is 211011110202149. The reversal of 211011110202131 is 131202011110112.

It is a cyclic number.

It is not a de Polignac number, because 211011110202131 - 22 = 211011110202127 is a prime.

It is a super-2 number, since 2×2110111102021312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211011110202031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241222546 + ... + 1241392536.

It is an arithmetic number, because the mean of its divisors is an integer number (13512278198160).

Almost surely, 2211011110202131 is an apocalyptic number.

211011110202131 is a deficient number, since it is larger than the sum of its proper divisors (5185340968429).

211011110202131 is a wasteful number, since it uses less digits than its factorization.

211011110202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301066.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 211011110202131 its reverse (131202011110112), we get a palindrome (342213121312243).

The spelling of 211011110202131 in words is "two hundred eleven trillion, eleven billion, one hundred ten million, two hundred two thousand, one hundred thirty-one".

Divisors: 1 53 179 9487 130843 169991 6934679 9009523 23420897 30428389 1241307541 1612704617 22242132413 1178833017889 3981341701927 211011110202131