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131342240223222 = 23729107834351579
BaseRepresentation
bin11101110111010001111111…
…100100101000111111110110
3122020001012021112210102000220
4131313101333210220333312
5114203402401444120342
61143201443040115210
736444110103311040
oct3567217744507766
9566035245712026
10131342240223222
1138938a27580306
121289300a605b06
13583969b8a7842
142460dd9662a90
15102b7a69ba5ec
hex77747f928ff6

131342240223222 has 32 divisors (see below), whose sum is σ = 310562932550400. Its totient is φ = 36232342130208.

The previous prime is 131342240223157. The next prime is 131342240223239. The reversal of 131342240223222 is 222322042243131.

It is a super-2 number, since 2×1313422402232222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53917174572 + ... + 53917177007.

It is an arithmetic number, because the mean of its divisors is an integer number (9705091642200).

Almost surely, 2131342240223222 is an apocalyptic number.

131342240223222 is an abundant number, since it is smaller than the sum of its proper divisors (179220692327178).

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

131342240223222 is a wasteful number, since it uses less digits than its factorization.

131342240223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107834351620.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 131342240223222 its reverse (222322042243131), we get a palindrome (353664282466353).

The spelling of 131342240223222 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred forty million, two hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 174 203 406 609 1218 107834351579 215668703158 323503054737 647006109474 754840461053 1509680922106 2264521383159 3127196195791 4529042766318 6254392391582 9381588587373 18763177174746 21890373370537 43780746741074 65671120111611 131342240223222