Base | Representation |
---|---|
bin | 11101001001101000… |
… | …110111100100010001 |
3 | 2222210100212222112220 |
4 | 131021220313210101 |
5 | 1003100324034301 |
6 | 22213520211253 |
7 | 2155435330134 |
oct | 351150674421 |
9 | 88710788486 |
10 | 31300221201 |
11 | 12302182507 |
12 | 6096469b29 |
13 | 2c4a879962 |
14 | 172cdc621b |
15 | c32d5e936 |
hex | 749a37911 |
31300221201 has 16 divisors (see below), whose sum is σ = 41829162048. Its totient is φ = 20819086400.
The previous prime is 31300221181. The next prime is 31300221223. The reversal of 31300221201 is 10212200313.
It is a cyclic number.
It is not a de Polignac number, because 31300221201 - 210 = 31300220177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31300221401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5028271 + ... + 5034491.
It is an arithmetic number, because the mean of its divisors is an integer number (2614322628).
Almost surely, 231300221201 is an apocalyptic number.
It is an amenable number.
31300221201 is a deficient number, since it is larger than the sum of its proper divisors (10528940847).
31300221201 is a wasteful number, since it uses less digits than its factorization.
31300221201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9792.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 31300221201 its reverse (10212200313), we get a palindrome (41512421514).
The spelling of 31300221201 in words is "thirty-one billion, three hundred million, two hundred twenty-one thousand, two hundred one".
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