Base | Representation |
---|---|
bin | 1100010100010… |
… | …11000011101111 |
3 | 21012102201011012 |
4 | 12022023003233 |
5 | 202423030111 |
6 | 14130415435 |
7 | 2363201510 |
oct | 612130357 |
9 | 235381135 |
10 | 103330031 |
11 | 53366422 |
12 | 2a73157b |
13 | 1853b43c |
14 | da1aa07 |
15 | 911148b |
hex | 628b0ef |
103330031 has 8 divisors (see below), whose sum is σ = 118156704. Its totient is φ = 88519680.
The previous prime is 103330027. The next prime is 103330039. The reversal of 103330031 is 130033301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 103330031 - 22 = 103330027 is a prime.
It is a super-2 number, since 2×1033300312 = 21354190612921922, 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 = 103329988 and 103330015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103330039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16271 + ... + 21711.
It is an arithmetic number, because the mean of its divisors is an integer number (14769588).
Almost surely, 2103330031 is an apocalyptic number.
103330031 is a deficient number, since it is larger than the sum of its proper divisors (14826673).
103330031 is an equidigital number, since it uses as much as digits as its factorization.
103330031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8161.
The product of its (nonzero) digits is 81, while the sum is 14.
The square root of 103330031 is about 10165.1380216896. The cubic root of 103330031 is about 469.2549399459.
Adding to 103330031 its reverse (130033301), we get a palindrome (233363332).
The spelling of 103330031 in words is "one hundred three million, three hundred thirty thousand, thirty-one".
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