Base | Representation |
---|---|
bin | 111100111011000… |
… | …111100010011011 |
3 | 2122020022121012221 |
4 | 330323013202123 |
5 | 4043131132311 |
6 | 245231444511 |
7 | 34220651545 |
oct | 7473074233 |
9 | 2566277187 |
10 | 1022130331 |
11 | 484a69712 |
12 | 246386737 |
13 | 1339b8161 |
14 | 99a6c695 |
15 | 5eb03671 |
hex | 3cec789b |
1022130331 has 4 divisors (see below), whose sum is σ = 1022233392. Its totient is φ = 1022027272.
The previous prime is 1022130311. The next prime is 1022130353. The reversal of 1022130331 is 1330312201.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1330312201 = 1279 ⋅1040119.
It is a cyclic number.
It is not a de Polignac number, because 1022130331 - 29 = 1022129819 is a prime.
It is a super-2 number, since 2×10221303312 = 2089500827100339122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1022130311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34855 + ... + 57088.
It is an arithmetic number, because the mean of its divisors is an integer number (255558348).
Almost surely, 21022130331 is an apocalyptic number.
1022130331 is a deficient number, since it is larger than the sum of its proper divisors (103061).
1022130331 is an equidigital number, since it uses as much as digits as its factorization.
1022130331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103060.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1022130331 is about 31970.7730747944. The cubic root of 1022130331 is about 1007.3230194827.
Adding to 1022130331 its reverse (1330312201), we get a palindrome (2352442532).
The spelling of 1022130331 in words is "one billion, twenty-two million, one hundred thirty thousand, three hundred thirty-one".
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