Base | Representation |
---|---|
bin | 11101110010101111011010… |
… | …011000101011011010010111 |
3 | 122011221100221002202212100221 |
4 | 131302233122120223122113 |
5 | 114133244403141421211 |
6 | 1142402242432015211 |
7 | 36412423164345142 |
oct | 3562573230533227 |
9 | 564840832685327 |
10 | 131030231201431 |
11 | 38828677620211 |
12 | 12842653391507 |
13 | 5816136aa5ba3 |
14 | 244dc7b635059 |
15 | 10235e4da7c71 |
hex | 772bda62b697 |
131030231201431 has 2 divisors, whose sum is σ = 131030231201432. Its totient is φ = 131030231201430.
The previous prime is 131030231201383. The next prime is 131030231201537. The reversal of 131030231201431 is 134102132030131.
It is a weak prime.
It is an emirp because it is prime and its reverse (134102132030131) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131030231201431 is a prime.
It is a super-2 number, since 2×1310302312014312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131030231201396 and 131030231201405.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131030231201131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515115600715 + 65515115600716.
It is an arithmetic number, because the mean of its divisors is an integer number (65515115600716).
Almost surely, 2131030231201431 is an apocalyptic number.
131030231201431 is a deficient number, since it is larger than the sum of its proper divisors (1).
131030231201431 is an equidigital number, since it uses as much as digits as its factorization.
131030231201431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 131030231201431 its reverse (134102132030131), we get a palindrome (265132363231562).
The spelling of 131030231201431 in words is "one hundred thirty-one trillion, thirty billion, two hundred thirty-one million, two hundred one thousand, four hundred thirty-one".
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