Base | Representation |
---|---|
bin | 11101110010011110101000… |
… | …010011100100011011011001 |
3 | 122011212122102020211111102111 |
4 | 131302132220103210123121 |
5 | 114133001002022211441 |
6 | 1142350102351232321 |
7 | 36411214503315004 |
oct | 3562365023443331 |
9 | 564778366744374 |
10 | 131012211132121 |
11 | 38820a6a780450 |
12 | 1283b0645186a1 |
13 | 5814524669797 |
14 | 244d04c2a253b |
15 | 1022ddcd88081 |
hex | 7727a84e46d9 |
131012211132121 has 8 divisors (see below), whose sum is σ = 142930855805184. Its totient is φ = 119094973735920.
The previous prime is 131012211132113. The next prime is 131012211132137. The reversal of 131012211132121 is 121231112210131.
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 131012211132121 - 23 = 131012211132113 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131012211132092 and 131012211132101.
It is not an unprimeable number, because it can be changed into a prime (131012211132181) 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, 351624550 + ... + 351996943.
It is an arithmetic number, because the mean of its divisors is an integer number (17866356975648).
Almost surely, 2131012211132121 is an apocalyptic number.
131012211132121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131012211132121 is a deficient number, since it is larger than the sum of its proper divisors (11918644673063).
131012211132121 is a wasteful number, since it uses less digits than its factorization.
131012211132121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 703638431.
The product of its (nonzero) digits is 144, while the sum is 22.
Adding to 131012211132121 its reverse (121231112210131), we get a palindrome (252243323342252).
The spelling of 131012211132121 in words is "one hundred thirty-one trillion, twelve billion, two hundred eleven million, one hundred thirty-two thousand, one hundred twenty-one".
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