Base | Representation |
---|---|
bin | 111101000100010100… |
… | …0011110100101111001 |
3 | 110112111110112212212020 |
4 | 1322020220132211321 |
5 | 4122034140100241 |
6 | 140125005505053 |
7 | 12321542631630 |
oct | 1721050364571 |
9 | 415443485766 |
10 | 131141331321 |
11 | 50686954260 |
12 | 214bab72189 |
13 | c49c497000 |
14 | 64c0cc6517 |
15 | 3628160b66 |
hex | 1e88a1e979 |
131141331321 has 64 divisors (see below), whose sum is σ = 236160583680. Its totient is φ = 62884710720.
The previous prime is 131141331247. The next prime is 131141331361. The reversal of 131141331321 is 123133141131.
It is not a de Polignac number, because 131141331321 - 213 = 131141323129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131141331291 and 131141331300.
It is not an unprimeable number, because it can be changed into a prime (131141331361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 378306 + ... + 636708.
It is an arithmetic number, because the mean of its divisors is an integer number (3690009120).
Almost surely, 2131141331321 is an apocalyptic number.
131141331321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131141331321 is a deficient number, since it is larger than the sum of its proper divisors (105019252359).
131141331321 is a wasteful number, since it uses less digits than its factorization.
131141331321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258463 (or 258437 counting only the distinct ones).
The product of its digits is 648, while the sum is 24.
Adding to 131141331321 its reverse (123133141131), we get a palindrome (254274472452).
The spelling of 131141331321 in words is "one hundred thirty-one billion, one hundred forty-one million, three hundred thirty-one thousand, three hundred twenty-one".
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