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112271231 is a prime number
BaseRepresentation
bin1101011000100…
…01111101111111
321211020222011202
412230101331333
5212220134411
615050210115
72532201242
oct654217577
9254228152
10112271231
1158413046
123172393b
131a34c0a7
1410ca7259
159cca83b
hex6b11f7f

112271231 has 2 divisors, whose sum is σ = 112271232. Its totient is φ = 112271230.

The previous prime is 112271219. The next prime is 112271233. The reversal of 112271231 is 132172211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112271231 - 26 = 112271167 is a prime.

It is a super-2 number, since 2×1122712312 = 25209658620510722, which contains 22 as substring.

Together with 112271233, 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 (112271233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56135615 + 56135616.

It is an arithmetic number, because the mean of its divisors is an integer number (56135616).

Almost surely, 2112271231 is an apocalyptic number.

112271231 is a deficient number, since it is larger than the sum of its proper divisors (1).

112271231 is an equidigital number, since it uses as much as digits as its factorization.

112271231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 112271231 is about 10595.8119556738. The cubic root of 112271231 is about 482.4172494490.

The spelling of 112271231 in words is "one hundred twelve million, two hundred seventy-one thousand, two hundred thirty-one".