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131343220333422 = 23219138203379969
BaseRepresentation
bin11101110111010010111001…
…111111011101101101101110
3122020001021210212001011110200
4131313102321333131231232
5114203411403401132142
61143202124211214330
736444143304152136
oct3567227177355556
9566037725034420
10131343220333422
113893938a849639
12128932428a73a6
1358397c696c7c6
14246108d8b3ac6
15102b812a6d64c
hex7774b9fddb6e

131343220333422 has 24 divisors (see below), whose sum is σ = 286066909215360. Its totient is φ = 43551853163520.

The previous prime is 131343220333411. The next prime is 131343220333441. The reversal of 131343220333422 is 224333022343131.

131343220333422 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 3 + 220 + 3 + 3 + 3 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19101686547 + ... + 19101693422.

It is an arithmetic number, because the mean of its divisors is an integer number (11919454550640).

Almost surely, 2131343220333422 is an apocalyptic number.

131343220333422 is an abundant number, since it is smaller than the sum of its proper divisors (154723688881938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131343220333422 is a wasteful number, since it uses less digits than its factorization.

131343220333422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38203380168 (or 38203380165 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 131343220333422 its reverse (224333022343131), we get a palindrome (355676242676553).

The spelling of 131343220333422 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred twenty million, three hundred thirty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 191 382 573 1146 1719 3438 38203379969 76406759938 114610139907 229220279814 343830419721 687660839442 7296845574079 14593691148158 21890536722237 43781073444474 65671610166711 131343220333422