Base | Representation |
---|---|
bin | 100000110111110… |
… | …1110111011011111 |
3 | 2211212112211111012 |
4 | 1001233232323133 |
5 | 4224334011111 |
6 | 301241445435 |
7 | 36222421553 |
oct | 10157567337 |
9 | 2755484435 |
10 | 1103032031 |
11 | 5166a6322 |
12 | 2694a087b |
13 | 1476a2a9a |
14 | a66cb863 |
15 | 66c8448b |
hex | 41beeedf |
1103032031 has 4 divisors (see below), whose sum is σ = 1103241000. Its totient is φ = 1102823064.
The previous prime is 1103032027. The next prime is 1103032033. The reversal of 1103032031 is 1302303011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302303011 = 3019 ⋅431369.
It is a cyclic number.
It is not a de Polignac number, because 1103032031 - 22 = 1103032027 is a prime.
It is a super-2 number, since 2×11030320312 = 2433359322823969922, 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 = 1103031997 and 1103032015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1103032033) 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, 96356 + ... + 107193.
It is an arithmetic number, because the mean of its divisors is an integer number (275810250).
Almost surely, 21103032031 is an apocalyptic number.
1103032031 is a deficient number, since it is larger than the sum of its proper divisors (208969).
1103032031 is an equidigital number, since it uses as much as digits as its factorization.
1103032031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208968.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 1103032031 is about 33211.9260356878. The cubic root of 1103032031 is about 1033.2277015042.
Adding to 1103032031 its reverse (1302303011), we get a palindrome (2405335042).
The spelling of 1103032031 in words is "one billion, one hundred three million, thirty-two thousand, thirty-one".
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