Base | Representation |
---|---|
bin | 100001101011100… |
… | …0110101001101111 |
3 | 2220202112112221211 |
4 | 1003113012221233 |
5 | 4303303130111 |
6 | 304050335251 |
7 | 40001642512 |
oct | 10327065157 |
9 | 2822475854 |
10 | 1130130031 |
11 | 52aa24468 |
12 | 27658a527 |
13 | 15019cbc4 |
14 | aa142d79 |
15 | 69338521 |
hex | 435c6a6f |
1130130031 has 4 divisors (see below), whose sum is σ = 1130986864. Its totient is φ = 1129273200.
The previous prime is 1130129989. The next prime is 1130130049. The reversal of 1130130031 is 1300310311.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1130130031 - 215 = 1130097263 is a prime.
It is a super-2 number, since 2×11301300312 = 2554387773936121922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1130129993 and 1130130020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1130110031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426435 + ... + 429076.
It is an arithmetic number, because the mean of its divisors is an integer number (282746716).
Almost surely, 21130130031 is an apocalyptic number.
1130130031 is a deficient number, since it is larger than the sum of its proper divisors (856833).
1130130031 is an equidigital number, since it uses as much as digits as its factorization.
1130130031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 856832.
The product of its (nonzero) digits is 27, while the sum is 13.
The square root of 1130130031 is about 33617.4066667850. The cubic root of 1130130031 is about 1041.6203879116.
Adding to 1130130031 its reverse (1300310311), we get a palindrome (2430440342).
The spelling of 1130130031 in words is "one billion, one hundred thirty million, one hundred thirty thousand, thirty-one".
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