Base | Representation |
---|---|
bin | 11101110110101101100011… |
… | …010110011011101111111111 |
3 | 122012220110021122012022021221 |
4 | 131312231203112123233333 |
5 | 114202232233134444411 |
6 | 1143131452243134211 |
7 | 36441223343210410 |
oct | 3566554326335777 |
9 | 565813248168257 |
10 | 131303112031231 |
11 | 38923378749558 |
12 | 1288750a674367 |
13 | 5835aa432a90a |
14 | 245d166b93807 |
15 | 102a7667e2071 |
hex | 776b6359bbff |
131303112031231 has 8 divisors (see below), whose sum is σ = 153720716524704. Its totient is φ = 109800511802880.
The previous prime is 131303112031153. The next prime is 131303112031297. The reversal of 131303112031231 is 132130211303131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131303112031231 - 27 = 131303112031103 is a prime.
It is a super-2 number, since 2×1313031120312312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131303112031196 and 131303112031205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131303112031331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228751065970 + ... + 228751066543.
It is an arithmetic number, because the mean of its divisors is an integer number (19215089565588).
Almost surely, 2131303112031231 is an apocalyptic number.
131303112031231 is a deficient number, since it is larger than the sum of its proper divisors (22417604493473).
131303112031231 is an equidigital number, since it uses as much as digits as its factorization.
131303112031231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457502132561.
The product of its (nonzero) digits is 972, while the sum is 25.
Adding to 131303112031231 its reverse (132130211303131), we get a palindrome (263433323334362).
The spelling of 131303112031231 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twelve million, thirty-one thousand, two hundred thirty-one".
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