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111013271 is a prime number
BaseRepresentation
bin1101001110111…
…10110110010111
321201220001120122
412213132312113
5211404411041
615003222155
72515411565
oct647366627
9251801518
10111013271
1157733a06
123121795b
1319ccb635
1410a5aa35
159b2cc4b
hex69ded97

111013271 has 2 divisors, whose sum is σ = 111013272. Its totient is φ = 111013270.

The previous prime is 111013261. The next prime is 111013277. The reversal of 111013271 is 172310111.

It is a strong prime.

It is an emirp because it is prime and its reverse (172310111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111013271 - 222 = 106818967 is a prime.

It is a super-3 number, since 3×1110132713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111013277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506635 + 55506636.

It is an arithmetic number, because the mean of its divisors is an integer number (55506636).

Almost surely, 2111013271 is an apocalyptic number.

111013271 is a deficient number, since it is larger than the sum of its proper divisors (1).

111013271 is an equidigital number, since it uses as much as digits as its factorization.

111013271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 111013271 is about 10536.2835478170. The cubic root of 111013271 is about 480.6087054720.

Adding to 111013271 its reverse (172310111), we get a palindrome (283323382).

The spelling of 111013271 in words is "one hundred eleven million, thirteen thousand, two hundred seventy-one".