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212133211110331 = 7229739131909447
BaseRepresentation
bin110000001110111100011100…
…101100010111101110111011
31000211002201220012220201020221
4300032330130230113232323
5210301042304021012311
62031100352444000511
762453055504150220
oct6016743454275673
91024081805821227
10212133211110331
116165720a408a75
121b960a07230137
13914a0cabb1b74
143a55433349947
15197d111bb8671
hexc0ef1cb17bbb

212133211110331 has 8 divisors (see below), whose sum is σ = 242439012668160. Its totient is φ = 181827673830888.

The previous prime is 212133211110329. The next prime is 212133211110343. The reversal of 212133211110331 is 133011112331212.

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 212133211110331 - 21 = 212133211110329 is a prime.

It is a super-2 number, since 2×2121332111103312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212133211110296 and 212133211110305.

It is not an unprimeable number, because it can be changed into a prime (212133211110391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64346551 + ... + 67562896.

It is an arithmetic number, because the mean of its divisors is an integer number (30304876583520).

Almost surely, 2212133211110331 is an apocalyptic number.

212133211110331 is a deficient number, since it is larger than the sum of its proper divisors (30305801557829).

212133211110331 is a wasteful number, since it uses less digits than its factorization.

212133211110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132139193.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 212133211110331 its reverse (133011112331212), we get a palindrome (345144323441543).

The spelling of 212133211110331 in words is "two hundred twelve trillion, one hundred thirty-three billion, two hundred eleven million, one hundred ten thousand, three hundred thirty-one".

Divisors: 1 7 229739 1608173 131909447 923366129 30304744444333 212133211110331