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10131091 is a prime number
BaseRepresentation
bin100110101001…
…011010010011
3201001201020121
4212221122103
510043143331
61001051111
7152053465
oct46513223
921051217
1010131091
11579a703
123486a97
132139439
1414ba135
15d51c11
hex9a9693

10131091 has 2 divisors, whose sum is σ = 10131092. Its totient is φ = 10131090.

The previous prime is 10131083. The next prime is 10131097. The reversal of 10131091 is 19013101.

It is a happy number.

10131091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19013101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10131091 - 23 = 10131083 is a prime.

It is not a weakly prime, because it can be changed into another prime (10131097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065545 + 5065546.

It is an arithmetic number, because the mean of its divisors is an integer number (5065546).

Almost surely, 210131091 is an apocalyptic number.

10131091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131091 is an equidigital number, since it uses as much as digits as its factorization.

10131091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 10131091 is about 3182.9374797504. The cubic root of 10131091 is about 216.3808082925.

Adding to 10131091 its reverse (19013101), we get a palindrome (29144192).

The spelling of 10131091 in words is "ten million, one hundred thirty-one thousand, ninety-one".