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131142131223343 = 41173184391002709
BaseRepresentation
bin11101110100010111101000…
…001001011000101100101111
3122012100001202121101221210221
4131310113220021120230233
5114142113041043121333
61142525510253512211
736423464160006112
oct3564275011305457
9565301677357727
10131142131223343
113887107a230969
12128602824a2667
13582385ab135c6
142455454cca579
151026493bb4d2d
hex7745e8258b2f

131142131223343 has 16 divisors (see below), whose sum is σ = 135124718299200. Its totient is φ = 127196959115520.

The previous prime is 131142131223293. The next prime is 131142131223347. The reversal of 131142131223343 is 343322131241131.

It is a happy number.

It is not a de Polignac number, because 131142131223343 - 245 = 95957759134511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131142131223299 and 131142131223308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142131223347) 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, 130286473 + ... + 131289181.

It is an arithmetic number, because the mean of its divisors is an integer number (8445294893700).

Almost surely, 2131142131223343 is an apocalyptic number.

131142131223343 is a deficient number, since it is larger than the sum of its proper divisors (3982587075857).

131142131223343 is a wasteful number, since it uses less digits than its factorization.

131142131223343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021362.

The product of its digits is 31104, while the sum is 34.

Adding to 131142131223343 its reverse (343322131241131), we get a palindrome (474464262464474).

The spelling of 131142131223343 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred forty-three".

Divisors: 1 41 173 7093 18439 755999 1002709 3189947 41111069 130787827 173468657 7112214937 18488951251 758047001291 3198588566423 131142131223343