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133102271 is a prime number
BaseRepresentation
bin1111110111011…
…11101010111111
3100021110021222202
413323233222333
5233033233041
621112502115
73204231161
oct773575277
9307407882
10133102271
1169150785
12386aa93b
1321763853
141396a931
15ba42a9b
hex7eefabf

133102271 has 2 divisors, whose sum is σ = 133102272. Its totient is φ = 133102270.

The previous prime is 133102253. The next prime is 133102273. The reversal of 133102271 is 172201331.

It is a strong prime.

It is an emirp because it is prime and its reverse (172201331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133102271 - 222 = 128907967 is a prime.

Together with 133102273, 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 (133102273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66551135 + 66551136.

It is an arithmetic number, because the mean of its divisors is an integer number (66551136).

Almost surely, 2133102271 is an apocalyptic number.

133102271 is a deficient number, since it is larger than the sum of its proper divisors (1).

133102271 is an equidigital number, since it uses as much as digits as its factorization.

133102271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 133102271 is about 11536.9957527946. The cubic root of 133102271 is about 510.5776755509.

The spelling of 133102271 in words is "one hundred thirty-three million, one hundred two thousand, two hundred seventy-one".