| Base | Representation |
|---|---|
| bin | 101101011010111101110… |
| … | …001000001110001001100 |
| 3 | 102001101200212002001002200 |
| 4 | 231122331301001301030 |
| 5 | 402114440440044040 |
| 6 | 10345530314321500 |
| 7 | 441336316160235 |
| oct | 55327561016114 |
| 9 | 12041625061080 |
| 10 | 3121330003020 |
| 11 | aa3826460849 |
| 12 | 424b27129290 |
| 13 | 1984564286b8 |
| 14 | ab104b3008c |
| 15 | 562d6364630 |
| hex | 2d6bdc41c4c |
3121330003020 has 144 divisors (see below), whose sum is σ = 9673071408000. Its totient is φ = 814342583808.
The previous prime is 3121330003019. The next prime is 3121330003069. The reversal of 3121330003020 is 203000331213.
3121330003020 is a `hidden beast` number, since 31 + 2 + 1 + 330 + 0 + 0 + 302 + 0 = 666.
3121330003020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 = 3121330002984 and 3121330003002.
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, 23189434 + ... + 23323646.
It is an arithmetic number, because the mean of its divisors is an integer number (67174107000).
Almost surely, 23121330003020 is an apocalyptic number.
3121330003020 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 3121330003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4836535704000).
3121330003020 is an abundant number, since it is smaller than the sum of its proper divisors (6551741404980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121330003020 is a wasteful number, since it uses less digits than its factorization.
3121330003020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137024 (or 137019 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 3121330003020 its reverse (203000331213), we get a palindrome (3324330334233).
The spelling of 3121330003020 in words is "three trillion, one hundred twenty-one billion, three hundred thirty million, three thousand, twenty".
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