Base | Representation |
---|---|
bin | 11011111110010101100011… |
… | …101110100000100001010011 |
3 | 121010121122112201100002220012 |
4 | 123332111203232200201103 |
5 | 112111220002400031011 |
6 | 1113355355532505135 |
7 | 34625461103330402 |
oct | 3376254356404123 |
9 | 533548481302805 |
10 | 123031011330131 |
11 | 36224182536243 |
12 | 1197029891b1ab |
13 | 5385a0b9c7c58 |
14 | 2254a3882b639 |
15 | e354bb691a8b |
hex | 6fe563ba0853 |
123031011330131 has 8 divisors (see below), whose sum is σ = 123117688713600. Its totient is φ = 122944335588160.
The previous prime is 123031011330107. The next prime is 123031011330169. The reversal of 123031011330131 is 131033110130321.
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 123031011330131 - 214 = 123031011313747 is a prime.
It is a super-2 number, since 2×1230310113301312 (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 = 123031011330097 and 123031011330106.
It is not an unprimeable number, because it can be changed into a prime (123031011330191) 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, 176276015 + ... + 176972583.
It is an arithmetic number, because the mean of its divisors is an integer number (15389711089200).
Almost surely, 2123031011330131 is an apocalyptic number.
123031011330131 is a deficient number, since it is larger than the sum of its proper divisors (86677383469).
123031011330131 is a wasteful number, since it uses less digits than its factorization.
123031011330131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 820749.
The product of its (nonzero) digits is 486, while the sum is 23.
Adding to 123031011330131 its reverse (131033110130321), we get a palindrome (254064121460452).
The spelling of 123031011330131 in words is "one hundred twenty-three trillion, thirty-one billion, eleven million, three hundred thirty thousand, one hundred thirty-one".
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