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131423343102031 is a prime number
BaseRepresentation
bin11101111000011101100001…
…101011100100100001001111
3122020022221121202011112100011
4131320131201223210201033
5114211220001313231111
61143303014512214051
736453010646355541
oct3570354153444117
9566287552145304
10131423343102031
113896a365a88582
12128a688383a327
13584422535a766
142464cd0a89691
15102d951bdd021
hex778761ae484f

131423343102031 has 2 divisors, whose sum is σ = 131423343102032. Its totient is φ = 131423343102030.

The previous prime is 131423343102013. The next prime is 131423343102101. The reversal of 131423343102031 is 130201343324131.

Together with previous prime (131423343102013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (130201343324131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131423343102031 is a prime.

It is a super-2 number, since 2×1314233431020312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131423343101984 and 131423343102002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131423343102011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65711671551015 + 65711671551016.

It is an arithmetic number, because the mean of its divisors is an integer number (65711671551016).

Almost surely, 2131423343102031 is an apocalyptic number.

131423343102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

131423343102031 is an equidigital number, since it uses as much as digits as its factorization.

131423343102031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 131423343102031 its reverse (130201343324131), we get a palindrome (261624686426162).

The spelling of 131423343102031 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, three hundred forty-three million, one hundred two thousand, thirty-one".