| Base | Representation |
|---|---|
| bin | 1110001001001000111000… |
| … | …01000001100101001001000 |
| 3 | 11002010011101110220102002200 |
| 4 | 13010210130020030221020 |
| 5 | 13034021434001220240 |
| 6 | 150051143332000200 |
| 7 | 6356632113053244 |
| oct | 704443410145110 |
| 9 | 132104343812080 |
| 10 | 31100330101320 |
| 11 | 9a00637616057 |
| 12 | 35a3551760060 |
| 13 | 144799672443c |
| 14 | 79739a621424 |
| 15 | 38dece732930 |
| hex | 1c491c20ca48 |
31100330101320 has 192 divisors, whose sum is σ = 102089393452800. Its totient is φ = 8210327616000.
The previous prime is 31100330101319. The next prime is 31100330101333. The reversal of 31100330101320 is 2310103300113.
It is a happy number.
31100330101320 is a `hidden beast` number, since 3 + 1 + 1 + 0 + 0 + 330 + 10 + 1 + 320 = 666.
It is a super-2 number, since 2×311003301013202 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 31100330101293 and 31100330101302.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119601445 + ... + 119861195.
It is an arithmetic number, because the mean of its divisors is an integer number (531715590900).
Almost surely, 231100330101320 is an apocalyptic number.
31100330101320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31100330101320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51044696726400).
31100330101320 is an abundant number, since it is smaller than the sum of its proper divisors (70989063351480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31100330101320 is a wasteful number, since it uses less digits than its factorization.
31100330101320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263100 (or 263093 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 31100330101320 its reverse (2310103300113), we get a palindrome (33410433401433).
The spelling of 31100330101320 in words is "thirty-one trillion, one hundred billion, three hundred thirty million, one hundred one thousand, three hundred twenty".
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