| Base | Representation |
|---|---|
| bin | 1011010010101001… |
| … | …1001011101100100 |
| 3 | 21211020101102110220 |
| 4 | 2310222121131210 |
| 5 | 22201414410340 |
| 6 | 1220433044340 |
| 7 | 135053121144 |
| oct | 26452313544 |
| 9 | 7736342426 |
| 10 | 3031013220 |
| 11 | 1315a23104 |
| 12 | 7070b66b0 |
| 13 | 393c52761 |
| 14 | 20a79a924 |
| 15 | 12b16ced0 |
| hex | b4a99764 |
3031013220 has 72 divisors (see below), whose sum is σ = 8769604032. Its totient is φ = 782182080.
The previous prime is 3031013207. The next prime is 3031013231. The reversal of 3031013220 is 223101303.
3031013220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×30310132202 = 18374082279629536800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 3031013220.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31377 + ... + 83943.
It is an arithmetic number, because the mean of its divisors is an integer number (121800056).
Almost surely, 23031013220 is an apocalyptic number.
3031013220 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 3031013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4384802016).
3031013220 is an abundant number, since it is smaller than the sum of its proper divisors (5738590812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3031013220 is a wasteful number, since it uses less digits than its factorization.
3031013220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52641 (or 52608 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 3031013220 is about 55054.6384966789. The cubic root of 3031013220 is about 1447.2024092842.
Adding to 3031013220 its reverse (223101303), we get a palindrome (3254114523).
The spelling of 3031013220 in words is "three billion, thirty-one million, thirteen thousand, two hundred twenty".
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