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131423244311031 = 3241181774888397
BaseRepresentation
bin11101111000011101011011…
…110010101101100111110111
3122020022221100212021102120020
4131320131123302231213313
5114211214301020423111
61143303001022540223
736453005336560251
oct3570353362554767
9566287325242506
10131423244311031
113896a315242422
12128a6856737673
13584420aa4b34a
142464cc18d0cd1
15102d9481c6906
hex77875bcad9f7

131423244311031 has 8 divisors (see below), whose sum is σ = 175958091969264. Its totient is φ = 87251946430080.

The previous prime is 131423244311027. The next prime is 131423244311087. The reversal of 131423244311031 is 130113442324131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131423244311031 - 22 = 131423244311027 is a prime.

It is a super-4 number, since 4×1314232443110314 (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 131423244310983 and 131423244311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423244311231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90887443476 + ... + 90887444921.

It is an arithmetic number, because the mean of its divisors is an integer number (21994761496158).

Almost surely, 2131423244311031 is an apocalyptic number.

131423244311031 is a deficient number, since it is larger than the sum of its proper divisors (44534847658233).

131423244311031 is a wasteful number, since it uses less digits than its factorization.

131423244311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181774888641.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 131423244311031 its reverse (130113442324131), we get a palindrome (261536686635162).

The spelling of 131423244311031 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, two hundred forty-four million, three hundred eleven thousand, thirty-one".

Divisors: 1 3 241 723 181774888397 545324665191 43807748103677 131423244311031