Base | Representation |
---|---|
bin | 11101000100010001… |
… | …000111110010011110 |
3 | 2222120002022212101002 |
4 | 131010101013302132 |
5 | 1002404242010420 |
6 | 22200540550302 |
7 | 2153262362444 |
oct | 350421076236 |
9 | 88502285332 |
10 | 31210110110 |
11 | 12266325733 |
12 | 6070252392 |
13 | 2c34cb929a |
14 | 172104ab94 |
15 | c29eb0075 |
hex | 744447c9e |
31210110110 has 16 divisors (see below), whose sum is σ = 59482798416. Its totient is φ = 11749688448.
The previous prime is 31210110101. The next prime is 31210110133. The reversal of 31210110110 is 1101101213.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 31210110091 and 31210110100.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 91794272 + ... + 91794611.
It is an arithmetic number, because the mean of its divisors is an integer number (3717674901).
Almost surely, 231210110110 is an apocalyptic number.
31210110110 is a deficient number, since it is larger than the sum of its proper divisors (28272688306).
31210110110 is a wasteful number, since it uses less digits than its factorization.
31210110110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183588907.
The product of its (nonzero) digits is 6, while the sum is 11.
Adding to 31210110110 its reverse (1101101213), we get a palindrome (32311211323).
The spelling of 31210110110 in words is "thirty-one billion, two hundred ten million, one hundred ten thousand, one hundred ten".
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