Base | Representation |
---|---|
bin | 1011101000010111… |
… | …1110110110011011 |
3 | 22001120211122122201 |
4 | 2322011332312123 |
5 | 22343231132311 |
6 | 1233450031031 |
7 | 140240445535 |
oct | 27205766633 |
9 | 8046748581 |
10 | 3122130331 |
11 | 13623a7801 |
12 | 731718477 |
13 | 3a9aa5cc8 |
14 | 218918855 |
15 | 13416a9c1 |
hex | ba17ed9b |
3122130331 has 16 divisors (see below), whose sum is σ = 3433904640. Its totient is φ = 2825444160.
The previous prime is 3122130329. The next prime is 3122130391. The reversal of 3122130331 is 1330312213.
It is a cyclic number.
It is not a de Polignac number, because 3122130331 - 21 = 3122130329 is a prime.
It is a super-2 number, since 2×31221303312 = 19495395607500339122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3122130299 and 3122130308.
It is not an unprimeable number, because it can be changed into a prime (3122130391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355311 + ... + 363991.
It is an arithmetic number, because the mean of its divisors is an integer number (214619040).
Almost surely, 23122130331 is an apocalyptic number.
3122130331 is a deficient number, since it is larger than the sum of its proper divisors (311774309).
3122130331 is a wasteful number, since it uses less digits than its factorization.
3122130331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9546.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 3122130331 is about 55876.0264424735. The cubic root of 3122130331 is about 1461.5612140223.
Adding to 3122130331 its reverse (1330312213), we get a palindrome (4452442544).
The spelling of 3122130331 in words is "three billion, one hundred twenty-two million, one hundred thirty thousand, three hundred thirty-one".
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