Base | Representation |
---|---|
bin | 11101110110110100111010… |
… | …001011000100011111101011 |
3 | 122012221012200010201122120010 |
4 | 131312310322023010133223 |
5 | 114202344422321334011 |
6 | 1143135240140103003 |
7 | 36441623160315132 |
oct | 3566647213043753 |
9 | 565835603648503 |
10 | 131311011121131 |
11 | 38926761563726 |
12 | 12888b53b34a63 |
13 | 583676299bbca |
14 | 245d6b5cb0919 |
15 | 102aa7a0081a6 |
hex | 776d3a2c47eb |
131311011121131 has 8 divisors (see below), whose sum is σ = 177547282642944. Its totient is φ = 86307706840040.
The previous prime is 131311011121033. The next prime is 131311011121181. The reversal of 131311011121131 is 131121110113131.
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 131311011121131 - 226 = 131310944012267 is a prime.
It is a super-2 number, since 2×1313110111211312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131311011121098 and 131311011121107.
It is not an unprimeable number, because it can be changed into a prime (131311011121181) 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, 308241809931 + ... + 308241810356.
It is an arithmetic number, because the mean of its divisors is an integer number (22193410330368).
Almost surely, 2131311011121131 is an apocalyptic number.
131311011121131 is a deficient number, since it is larger than the sum of its proper divisors (46236271521813).
131311011121131 is an equidigital number, since it uses as much as digits as its factorization.
131311011121131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 616483620361.
The product of its (nonzero) digits is 54, while the sum is 21.
Adding to 131311011121131 its reverse (131121110113131), we get a palindrome (262432121234262).
The spelling of 131311011121131 in words is "one hundred thirty-one trillion, three hundred eleven billion, eleven million, one hundred twenty-one thousand, one hundred thirty-one".
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