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131012224203342 = 231747591913242129
BaseRepresentation
bin11101110010011110101001…
…000101011011101001001110
3122011212122110011102120202210
4131302132221011123221032
5114133001013344001332
61142350103535331250
736411215022365346
oct3562365105335116
9564778404376683
10131012224203342
1138820a77099009
121283b068980b26
135814527295231
14244d04dd05d26
151022dde0baecc
hex7727a915ba4e

131012224203342 has 128 divisors (see below), whose sum is σ = 288294776985600. Its totient is φ = 39524711284736.

The previous prime is 131012224203319. The next prime is 131012224203347. The reversal of 131012224203342 is 243302422210131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012224203347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 540963334 + ... + 541205462.

It is an arithmetic number, because the mean of its divisors is an integer number (2252302945200).

Almost surely, 2131012224203342 is an apocalyptic number.

131012224203342 is an abundant number, since it is smaller than the sum of its proper divisors (157282552782258).

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

131012224203342 is a wasteful number, since it uses less digits than its factorization.

131012224203342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244170.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131012224203342 its reverse (243302422210131), we get a palindrome (374314646413473).

The spelling of 131012224203342 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred three thousand, three hundred forty-two".

Divisors: 1 2 3 6 17 34 47 51 59 94 102 118 141 177 282 354 799 1003 1598 1913 2006 2397 2773 3009 3826 4794 5546 5739 6018 8319 11478 16638 32521 47141 65042 89911 94282 97563 112867 141423 179822 195126 225734 242129 269733 282846 338601 484258 539466 677202 726387 1452774 1528487 1918739 3056974 3837478 4116193 4585461 5304749 5756217 8232386 9170922 10609498 11380063 11512434 12348579 14285611 15914247 22760126 24697158 28571222 31828494 34140189 42856833 68280378 85713666 90180733 180361466 193461071 242855387 270542199 386922142 463192777 485710774 541084398 580383213 671423717 728566161 926385554 1160766426 1342847434 1389578331 1457132322 2014271151 2779156662 4028542302 7874277209 11414203189 15748554418 21770060519 22828406378 23622831627 27328373843 34242609567 43540121038 47245663254 54656747686 65310181557 68485219134 81985121529 130620363114 163970243058 370091028823 464582355331 740182057646 929164710662 1110273086469 1284433570621 1393747065993 2220546172938 2568867141242 2787494131986 3853300711863 7706601423726 21835370700557 43670741401114 65506112101671 131012224203342