Base | Representation |
---|---|
bin | 1110001001001100001011… |
… | …10000101101101100000001 |
3 | 11002010022221222122221222010 |
4 | 13010212011300231230001 |
5 | 13034034101144030423 |
6 | 150052035241003133 |
7 | 6360024042544113 |
oct | 704460560555401 |
9 | 132108858587863 |
10 | 31102102330113 |
11 | 9a01366a31851 |
12 | 35a39671834a9 |
13 | 1447bb993cb29 |
14 | 7974c7b493b3 |
15 | 38e085102693 |
hex | 1c4985c2db01 |
31102102330113 has 16 divisors (see below), whose sum is σ = 42088670507840. Its totient is φ = 20425138246656.
The previous prime is 31102102330099. The next prime is 31102102330127. The reversal of 31102102330113 is 31103320120113.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31102102330099) and next prime (31102102330127).
It is not a de Polignac number, because 31102102330113 - 214 = 31102102313729 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31102102330113.
It is not an unprimeable number, because it can be changed into a prime (31102102330133) 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 15 ways as a sum of consecutive naturals, for example, 43116381 + ... + 43831797.
It is an arithmetic number, because the mean of its divisors is an integer number (2630541906740).
Almost surely, 231102102330113 is an apocalyptic number.
It is an amenable number.
31102102330113 is a deficient number, since it is larger than the sum of its proper divisors (10986568177727).
31102102330113 is a wasteful number, since it uses less digits than its factorization.
31102102330113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 931776.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 31102102330113 its reverse (31103320120113), we get a palindrome (62205422450226).
The spelling of 31102102330113 in words is "thirty-one trillion, one hundred two billion, one hundred two million, three hundred thirty thousand, one hundred thirteen".
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