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212000320113231 = 31310949870693981
BaseRepresentation
bin110000001101000000101011…
…110001011100101001001111
31000210122000212211001121011110
4300031000223301130221033
5210241403123422110411
62030515334052423103
762440342364256666
oct6015005361345117
91023560784047143
10212000320113231
1161605915959a41
121b93b0ba317a93
13913a71009c380
143a4cc27d2dddd
1519799351432a6
hexc0d02bc5ca4f

212000320113231 has 16 divisors (see below), whose sum is σ = 307203474929120. Its totient is φ = 129264838796160.

The previous prime is 212000320113223. The next prime is 212000320113251. The reversal of 212000320113231 is 132311023000212.

It is not a de Polignac number, because 212000320113231 - 23 = 212000320113223 is a prime.

It is a super-2 number, since 2×2120003201132312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212000320113198 and 212000320113207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000320113251) 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, 24935342740 + ... + 24935351241.

It is an arithmetic number, because the mean of its divisors is an integer number (19200217183070).

Almost surely, 2212000320113231 is an apocalyptic number.

212000320113231 is a deficient number, since it is larger than the sum of its proper divisors (95203154815889).

212000320113231 is a wasteful number, since it uses less digits than its factorization.

212000320113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49870694106.

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

Adding to 212000320113231 its reverse (132311023000212), we get a palindrome (344311343113443).

The spelling of 212000320113231 in words is "two hundred twelve trillion, three hundred twenty million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 3 13 39 109 327 1417 4251 49870693981 149612081943 648319021753 1944957065259 5435905643929 16307716931787 70666773371077 212000320113231