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104220131 is a prime number
BaseRepresentation
bin1100011011001…
…00010111100011
321021002221010212
412031210113203
5203140021011
614201444335
72403566531
oct615442743
9237087125
10104220131
1153914144
122aaa06ab
1318790622
14dbad151
15923a08b
hex63645e3

104220131 has 2 divisors, whose sum is σ = 104220132. Its totient is φ = 104220130.

The previous prime is 104220121. The next prime is 104220133. The reversal of 104220131 is 131022401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104220131 is a prime.

It is a super-2 number, since 2×1042201312 = 21723671411314322, which contains 22 as substring.

Together with 104220133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104220133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52110065 + 52110066.

It is an arithmetic number, because the mean of its divisors is an integer number (52110066).

Almost surely, 2104220131 is an apocalyptic number.

104220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

104220131 is an equidigital number, since it uses as much as digits as its factorization.

104220131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 104220131 is about 10208.8261323230. The cubic root of 104220131 is about 470.5984996545.

Adding to 104220131 its reverse (131022401), we get a palindrome (235242532).

The spelling of 104220131 in words is "one hundred four million, two hundred twenty thousand, one hundred thirty-one".