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131201214134442 = 231697108821118411
BaseRepresentation
bin11101110101001110101001…
…110000110011100010101010
3122012112201021012022211002120
4131311032221300303202222
5114144100041304300232
61143013001121412110
736430655252322204
oct3565165160634252
9565481235284076
10131201214134442
1138894138a74511
121286b81119a036
1358292b5572a2a
14245825ba55774
151027ca0b6292c
hex7753a9c338aa

131201214134442 has 32 divisors (see below), whose sum is σ = 262561685609664. Its totient is φ = 43707196070400.

The previous prime is 131201214134437. The next prime is 131201214134447. The reversal of 131201214134442 is 244431412102131.

It is an interprime number because it is at equal distance from previous prime (131201214134437) and next prime (131201214134447).

It is not an unprimeable number, because it can be changed into a prime (131201214134447) 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, 1107956217 + ... + 1108074627.

It is an arithmetic number, because the mean of its divisors is an integer number (8205052675302).

Almost surely, 2131201214134442 is an apocalyptic number.

131201214134442 is an abundant number, since it is smaller than the sum of its proper divisors (131360471475222).

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

131201214134442 is a wasteful number, since it uses less digits than its factorization.

131201214134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228934.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 131201214134442 its reverse (244431412102131), we get a palindrome (375632626236573).

The spelling of 131201214134442 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred fourteen million, one hundred thirty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 1697 3394 5091 10182 108821 118411 217642 236822 326463 355233 652926 710466 184669237 200943467 369338474 401886934 554007711 602830401 1108015422 1205660802 12885603431 25771206862 38656810293 77313620586 21866869022407 43733738044814 65600607067221 131201214134442