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131344012222012 = 222310731081429283
BaseRepresentation
bin11101110111010011101001…
…001100010001111000111100
3122020001100212001010021101201
4131313103221030101320330
5114203420014112101022
61143202334540145244
736444202031123212
oct3567235114217074
9566040761107351
10131344012222012
113893975684a217
1212893423b38224
1358398c1a42635
142461126b2acb2
15102b85c342127
hex7774e9311e3c

131344012222012 has 48 divisors (see below), whose sum is σ = 242095487945472. Its totient is φ = 62227482387840.

The previous prime is 131344012222009. The next prime is 131344012222019. The reversal of 131344012222012 is 210222210443131.

It is a super-3 number, since 3×1313440122220123 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344012222019) 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, 305746723 + ... + 306176005.

It is an arithmetic number, because the mean of its divisors is an integer number (5043655998864).

Almost surely, 2131344012222012 is an apocalyptic number.

It is an amenable number.

131344012222012 is a deficient number, since it is larger than the sum of its proper divisors (110751475723460).

131344012222012 is a wasteful number, since it uses less digits than its factorization.

131344012222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460498 (or 460496 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131344012222012 its reverse (210222210443131), we get a palindrome (341566222665143).

The spelling of 131344012222012 in words is "one hundred thirty-one trillion, three hundred forty-four billion, twelve million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 23 46 92 107 214 428 2461 4922 9844 31081 62162 124324 429283 714863 858566 1429726 1717132 2859452 3325667 6651334 9873509 13302668 19747018 39494036 45933281 76490341 91866562 152980682 183733124 305961364 1056465463 2112930926 4225861852 13342544923 26685089846 53370179692 306878533229 613757066458 1227514132916 1427652306761 2855304613522 5710609227044 32836003055503 65672006111006 131344012222012