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100213271 is a prime number
BaseRepresentation
bin1011111100100…
…10001000010111
320222120100202122
411332102020113
5201123311041
613535530155
72324540654
oct576221027
9228510678
10100213271
1151627794
122968995b
13179b98c2
14d448c2b
158be7c4b
hex5f92217

100213271 has 2 divisors, whose sum is σ = 100213272. Its totient is φ = 100213270.

The previous prime is 100213261. The next prime is 100213273. The reversal of 100213271 is 172312001.

It is a strong prime.

It is an emirp because it is prime and its reverse (172312001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100213271 - 26 = 100213207 is a prime.

Together with 100213273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100213273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106635 + 50106636.

It is an arithmetic number, because the mean of its divisors is an integer number (50106636).

Almost surely, 2100213271 is an apocalyptic number.

100213271 is a deficient number, since it is larger than the sum of its proper divisors (1).

100213271 is an equidigital number, since it uses as much as digits as its factorization.

100213271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 100213271 is about 10010.6578704898. The cubic root of 100213271 is about 464.4886211579.

Adding to 100213271 its reverse (172312001), we get a palindrome (272525272).

The spelling of 100213271 in words is "one hundred million, two hundred thirteen thousand, two hundred seventy-one".