Base | Representation |
---|---|
bin | 11101110110101101100100… |
… | …100011000111001110000111 |
3 | 122012220110100001000112200102 |
4 | 131312231210203013032013 |
5 | 114202232303311212411 |
6 | 1143131454242034315 |
7 | 36441224006110043 |
oct | 3566554443071607 |
9 | 565813301015612 |
10 | 131303132132231 |
11 | 38923389028754 |
12 | 1288751534899b |
13 | 5835aa8547cb7 |
14 | 245d169707023 |
15 | 102a768462d3b |
hex | 776b648c7387 |
131303132132231 has 16 divisors (see below), whose sum is σ = 133057147728960. Its totient is φ = 129560689386240.
The previous prime is 131303132132213. The next prime is 131303132132273. The reversal of 131303132132231 is 132231231303131.
It is a cyclic number.
It is not a de Polignac number, because 131303132132231 - 26 = 131303132132167 is a prime.
It is a super-2 number, since 2×1313031321322312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131303132132194 and 131303132132203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131303132137231) 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, 1365118961 + ... + 1365215141.
It is an arithmetic number, because the mean of its divisors is an integer number (8316071733060).
Almost surely, 2131303132132231 is an apocalyptic number.
131303132132231 is a deficient number, since it is larger than the sum of its proper divisors (1754015596729).
131303132132231 is a wasteful number, since it uses less digits than its factorization.
131303132132231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156154.
The product of its (nonzero) digits is 5832, while the sum is 29.
Adding to 131303132132231 its reverse (132231231303131), we get a palindrome (263534363435362).
The spelling of 131303132132231 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred thirty-two million, one hundred thirty-two thousand, two hundred thirty-one".
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