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131131244242041 = 31729775711429947
BaseRepresentation
bin11101110100001101011111…
…001110110110010001111001
3122012022000122212122000002020
4131310031133032312101321
5114141423242011221131
61142520510104025053
736422630322126621
oct3564153716662171
9565260585560066
10131131244242041
11388674a287675a
121285a144462189
13582281443a334
142454b01039881
151026057eec996
hex77435f3b6479

131131244242041 has 32 divisors (see below), whose sum is σ = 191534839021440. Its totient is φ = 79430992413696.

The previous prime is 131131244241941. The next prime is 131131244242043. The reversal of 131131244242041 is 140242442131131.

It is not a de Polignac number, because 131131244242041 - 211 = 131131244239993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131131244241993 and 131131244242011.

It is not an unprimeable number, because it can be changed into a prime (131131244242043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5757630 + ... + 17187576.

It is an arithmetic number, because the mean of its divisors is an integer number (5985463719420).

Almost surely, 2131131244242041 is an apocalyptic number.

It is an amenable number.

131131244242041 is a deficient number, since it is larger than the sum of its proper divisors (60403594779399).

131131244242041 is a wasteful number, since it uses less digits than its factorization.

131131244242041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11437753.

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

Adding to 131131244242041 its reverse (140242442131131), we get a palindrome (271373686373172).

The spelling of 131131244242041 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred forty-four million, two hundred forty-two thousand, forty-one".

Divisors: 1 3 17 29 51 87 493 1479 7757 23271 131869 224953 395607 674859 3824201 11429947 11472603 34289841 194309099 331468463 582927297 994405389 5634963871 16904891613 88662098879 265986296637 1507255680943 2571200867491 4521767042829 7713602602473 43710414747347 131131244242041