Base | Representation |
---|---|
bin | 110000011111000110010101… |
… | …100110111110100101110011 |
3 | 1000222000212100002201112200120 |
4 | 300133012111212332211303 |
5 | 210422234330333132011 |
6 | 2033310345534421323 |
7 | 62626215534116520 |
oct | 6037062546764563 |
9 | 1028025302645616 |
10 | 213243341302131 |
11 | 61a44aa1a16aa8 |
12 | 1babbba3661843 |
13 | 91ca9b762c46a |
14 | 3a93065d86147 |
15 | 199be36b92a06 |
hex | c1f1959be973 |
213243341302131 has 32 divisors (see below), whose sum is σ = 325208592483840. Its totient is φ = 121753460606976.
The previous prime is 213243341302111. The next prime is 213243341302151. The reversal of 213243341302131 is 131203143342312.
It is an interprime number because it is at equal distance from previous prime (213243341302111) and next prime (213243341302151).
It is not a de Polignac number, because 213243341302131 - 218 = 213243341039987 is a prime.
It is a super-2 number, since 2×2132433413021312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213243341302092 and 213243341302101.
It is not an unprimeable number, because it can be changed into a prime (213243341302111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818565960 + ... + 818826426.
It is an arithmetic number, because the mean of its divisors is an integer number (10162768515120).
Almost surely, 2213243341302131 is an apocalyptic number.
213243341302131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
213243341302131 is a deficient number, since it is larger than the sum of its proper divisors (111965251181709).
213243341302131 is a wasteful number, since it uses less digits than its factorization.
213243341302131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292283.
The product of its (nonzero) digits is 31104, while the sum is 33.
Adding to 213243341302131 its reverse (131203143342312), we get a palindrome (344446484644443).
The spelling of 213243341302131 in words is "two hundred thirteen trillion, two hundred forty-three billion, three hundred forty-one million, three hundred two thousand, one hundred thirty-one".
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