Base | Representation |
---|---|
bin | 10011101111011… |
… | …100000111101101 |
3 | 212002012212011202 |
4 | 103233130013231 |
5 | 1134241444203 |
6 | 52510455245 |
7 | 11131115366 |
oct | 2357340755 |
9 | 762185152 |
10 | 331203053 |
11 | 15aa56835 |
12 | 92b04525 |
13 | 5380454c |
14 | 31db6b6d |
15 | 1e124388 |
hex | 13bdc1ed |
331203053 has 2 divisors, whose sum is σ = 331203054. Its totient is φ = 331203052.
The previous prime is 331203029. The next prime is 331203091. The reversal of 331203053 is 350302133.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 295943209 + 35259844 = 17203^2 + 5938^2 .
It is an emirp because it is prime and its reverse (350302133) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 331203053 - 212 = 331198957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (331203553) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165601526 + 165601527.
It is an arithmetic number, because the mean of its divisors is an integer number (165601527).
Almost surely, 2331203053 is an apocalyptic number.
It is an amenable number.
331203053 is a deficient number, since it is larger than the sum of its proper divisors (1).
331203053 is an equidigital number, since it uses as much as digits as its factorization.
331203053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 810, while the sum is 20.
The square root of 331203053 is about 18198.9849442215. The cubic root of 331203053 is about 691.8810627056.
Adding to 331203053 its reverse (350302133), we get a palindrome (681505186).
The spelling of 331203053 in words is "three hundred thirty-one million, two hundred three thousand, fifty-three".
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