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131343220011342 = 233147711033176481
BaseRepresentation
bin11101110111010010111001…
…111110001111000101001110
3122020001021210211102210122210
4131313102321332033011032
5114203411403310330332
61143202124200251250
736444143301341133
oct3567227176170516
9566037724383583
10131343220011342
113893938a649659
1212893242770b26
1358397c6889021
14246108d82c58a
15102b812a07ecc
hex7774b9f8f14e

131343220011342 has 256 divisors, whose sum is σ = 284494872969216. Its totient is φ = 40352401152000.

The previous prime is 131343220011299. The next prime is 131343220011343. The reversal of 131343220011342 is 243110022343131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131343220011343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20265884742 + ... + 20265891222.

It is an arithmetic number, because the mean of its divisors is an integer number (1111308097536).

Almost surely, 2131343220011342 is an apocalyptic number.

131343220011342 is an abundant number, since it is smaller than the sum of its proper divisors (153151652957874).

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

131343220011342 is a wasteful number, since it uses less digits than its factorization.

131343220011342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131343220011342 its reverse (243110022343131), we get a palindrome (374453242354473).

The spelling of 131343220011342 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred twenty million, eleven thousand, three hundred forty-two".