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2113030122231 = 372173889217421
BaseRepresentation
bin11110101111111010011…
…010001110101011110111
321111000002200221222121110
4132233322122032223313
5234104441202402411
64254413532450103
7305442566456100
oct36577232165367
97430080858543
102113030122231
11745149465646
122a1629619933
131243477612c2
14743b227b3a7
1539e711192a6
hex1ebfa68eaf7

2113030122231 has 48 divisors (see below), whose sum is σ = 3471046564320. Its totient is φ = 1136122122240.

The previous prime is 2113030122211. The next prime is 2113030122233. The reversal of 2113030122231 is 1322210303112.

It is not a de Polignac number, because 2113030122231 - 217 = 2113029991159 is a prime.

It is a super-3 number, since 3×21130301222313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2113030122198 and 2113030122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113030122233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9609901 + ... + 9827321.

It is an arithmetic number, because the mean of its divisors is an integer number (72313470090).

Almost surely, 22113030122231 is an apocalyptic number.

2113030122231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2113030122231 is a deficient number, since it is larger than the sum of its proper divisors (1358016442089).

2113030122231 is a wasteful number, since it uses less digits than its factorization.

2113030122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221344 (or 221337 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2113030122231 its reverse (1322210303112), we get a palindrome (3435240425343).

The spelling of 2113030122231 in words is "two trillion, one hundred thirteen billion, thirty million, one hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 17 21 49 51 119 147 357 833 2499 3889 11667 27223 66113 81669 190561 198339 217421 462791 571683 652263 1388373 1521947 3239537 3696157 4565841 9718611 10653629 11088471 25873099 31960887 77619297 181111693 543335079 845550269 2536650807 5918851883 14374354573 17756555649 41431963181 43123063719 100620482011 124295889543 301861446033 704343374077 2113030122231