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201100321 is a prime number
BaseRepresentation
bin10111111110010…
…00110000100001
3112000101221210001
423333020300201
5402440202241
631542140001
74661216212
oct1377106041
9460357701
10201100321
11a3574714
1257421601
1332881096
141c9cb409
15129c5431
hexbfc8c21

201100321 has 2 divisors, whose sum is σ = 201100322. Its totient is φ = 201100320.

The previous prime is 201100279. The next prime is 201100349. The reversal of 201100321 is 123001102.

201100321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136072225 + 65028096 = 11665^2 + 8064^2 .

It is a cyclic number.

It is not a de Polignac number, because 201100321 - 29 = 201099809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201100298 and 201100307.

It is not a weakly prime, because it can be changed into another prime (201100381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550160 + 100550161.

It is an arithmetic number, because the mean of its divisors is an integer number (100550161).

Almost surely, 2201100321 is an apocalyptic number.

It is an amenable number.

201100321 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100321 is an equidigital number, since it uses as much as digits as its factorization.

201100321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 201100321 is about 14180.9844862760. The cubic root of 201100321 is about 585.8740396020.

Adding to 201100321 its reverse (123001102), we get a palindrome (324101423).

The spelling of 201100321 in words is "two hundred one million, one hundred thousand, three hundred twenty-one".