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10131131 is a prime number
BaseRepresentation
bin100110101001…
…011010111011
3201001201022002
4212221122323
510043144011
61001051215
7152053553
oct46513273
921051262
1010131131
11579a73a
123486b0b
13213946a
1414ba163
15d51c3b
hex9a96bb

10131131 has 2 divisors, whose sum is σ = 10131132. Its totient is φ = 10131130.

The previous prime is 10131127. The next prime is 10131139. The reversal of 10131131 is 13113101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10131131 - 22 = 10131127 is a prime.

It is a super-2 number, since 2×101311312 = 205279630678322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10131139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065565 + 5065566.

It is an arithmetic number, because the mean of its divisors is an integer number (5065566).

Almost surely, 210131131 is an apocalyptic number.

10131131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131131 is an equidigital number, since it uses as much as digits as its factorization.

10131131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 10131131 is about 3182.9437632481. The cubic root of 10131131 is about 216.3810930667.

Adding to 10131131 its reverse (13113101), we get a palindrome (23244232).

The spelling of 10131131 in words is "ten million, one hundred thirty-one thousand, one hundred thirty-one".