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201310211 = 972075363
BaseRepresentation
bin10111111111111…
…00000000000011
3112000210121200202
423333330000003
5403013411321
631550435415
74663052144
oct1377740003
9460717622
10201310211
11a36a8383
1257502b6b
133292578b
141ca43acb
1512a1770b
hexbffc003

201310211 has 4 divisors (see below), whose sum is σ = 203385672. Its totient is φ = 199234752.

The previous prime is 201310201. The next prime is 201310217. The reversal of 201310211 is 112013102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201310211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201310192 and 201310201.

It is not an unprimeable number, because it can be changed into a prime (201310217) 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, 1037585 + ... + 1037778.

It is an arithmetic number, because the mean of its divisors is an integer number (50846418).

Almost surely, 2201310211 is an apocalyptic number.

201310211 is a deficient number, since it is larger than the sum of its proper divisors (2075461).

201310211 is an equidigital number, since it uses as much as digits as its factorization.

201310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075460.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 201310211 is about 14188.3829593086. The cubic root of 201310211 is about 586.0777958584.

Adding to 201310211 its reverse (112013102), we get a palindrome (313323313).

It can be divided in two parts, 2013102 and 11, that multiplied together give a palindrome (22144122).

The spelling of 201310211 in words is "two hundred one million, three hundred ten thousand, two hundred eleven".

Divisors: 1 97 2075363 201310211