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109286131 is a prime number
BaseRepresentation
bin1101000001110…
…01001011110011
321121122022101111
412200321023303
5210434124011
614502214151
72464626313
oct640711363
9247568344
10109286131
1156764319
1230724357
1319845466
141072b443
1598db121
hex68392f3

109286131 has 2 divisors, whose sum is σ = 109286132. Its totient is φ = 109286130.

The previous prime is 109286083. The next prime is 109286137. The reversal of 109286131 is 131682901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109286131 - 213 = 109277939 is a prime.

It is a super-2 number, since 2×1092861312 = 23886916857898322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109286093 and 109286102.

It is not a weakly prime, because it can be changed into another prime (109286137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54643065 + 54643066.

It is an arithmetic number, because the mean of its divisors is an integer number (54643066).

Almost surely, 2109286131 is an apocalyptic number.

109286131 is a deficient number, since it is larger than the sum of its proper divisors (1).

109286131 is an equidigital number, since it uses as much as digits as its factorization.

109286131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 109286131 is about 10454.0007174287. Note that the first 3 decimals coincide. The cubic root of 109286131 is about 478.1032365733.

The spelling of 109286131 in words is "one hundred nine million, two hundred eighty-six thousand, one hundred thirty-one".