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131201231144102 = 27231163012649329
BaseRepresentation
bin11101110101001110101010…
…110001101100010010100110
3122012112201022101022222221222
4131311032222301230102212
5114144100110133102402
61143013002530140342
736430655550025100
oct3565165261542246
9565481271288858
10131201231144102
1138894147632089
121286b816a216b2
1358292b8c4a012
142458260002570
151027ca23c27a2
hex7753aac6c4a6

131201231144102 has 48 divisors (see below), whose sum is σ = 236332274555520. Its totient is φ = 54411898464000.

The previous prime is 131201231144083. The next prime is 131201231144111. The reversal of 131201231144102 is 201441132102131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48197774 + ... + 50847102.

It is an arithmetic number, because the mean of its divisors is an integer number (4923589053240).

Almost surely, 2131201231144102 is an apocalyptic number.

131201231144102 is a deficient number, since it is larger than the sum of its proper divisors (105131043411418).

131201231144102 is a wasteful number, since it uses less digits than its factorization.

131201231144102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665677 (or 2665670 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 131201231144102 its reverse (201441132102131), we get a palindrome (332642363246233).

The spelling of 131201231144102 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred thirty-one million, one hundred forty-four thousand, one hundred two".

Divisors: 1 2 7 14 31 49 62 98 217 434 1519 3038 16301 32602 114107 228214 505331 798749 1010662 1597498 2649329 3537317 5298658 7074634 18545303 24761219 37090606 49522438 82129199 129817121 164258398 259634242 574904393 1149808786 4024330751 8048661502 43186712029 86373424058 302306984203 604613968406 1338788072899 2116148889421 2677576145798 4232297778842 9371516510293 18743033020586 65600615572051 131201231144102