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2217026131 is a prime number
BaseRepresentation
bin1000010000100101…
…0010001001010011
312201111201121002221
42010021102021103
514020024314011
61003554321511
7105640261015
oct20411221123
95644647087
102217026131
11a384a9601
1251a589297
132944132a8
141706301b5
15ce981971
hex84252253

2217026131 has 2 divisors, whose sum is σ = 2217026132. Its totient is φ = 2217026130.

The previous prime is 2217026129. The next prime is 2217026137. The reversal of 2217026131 is 1316207122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2217026131 - 21 = 2217026129 is a prime.

It is a super-2 number, since 2×22170261312 = 9830409731073658322, which contains 22 as substring.

Together with 2217026129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2217026096 and 2217026105.

It is not a weakly prime, because it can be changed into another prime (2217026137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108513065 + 1108513066.

It is an arithmetic number, because the mean of its divisors is an integer number (1108513066).

Almost surely, 22217026131 is an apocalyptic number.

2217026131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2217026131 is an equidigital number, since it uses as much as digits as its factorization.

2217026131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2217026131 is about 47085.3069545055. The cubic root of 2217026131 is about 1303.9379861469.

The spelling of 2217026131 in words is "two billion, two hundred seventeen million, twenty-six thousand, one hundred thirty-one".