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115131283 is a prime number
BaseRepresentation
bin1101101110011…
…00001110010011
322000122021102121
412313030032103
5213433200113
615231355111
72565412501
oct667141623
9260567377
10115131283
1159a96923
1232682a97
131ab10b27
141140d671
15a192e8d
hex6dcc393

115131283 has 2 divisors, whose sum is σ = 115131284. Its totient is φ = 115131282.

The previous prime is 115131281. The next prime is 115131349. The reversal of 115131283 is 382131511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115131283 - 21 = 115131281 is a prime.

Together with 115131281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115131281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57565641 + 57565642.

It is an arithmetic number, because the mean of its divisors is an integer number (57565642).

Almost surely, 2115131283 is an apocalyptic number.

115131283 is a deficient number, since it is larger than the sum of its proper divisors (1).

115131283 is an equidigital number, since it uses as much as digits as its factorization.

115131283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 115131283 is about 10729.9246502480. The cubic root of 115131283 is about 486.4793925614.

Adding to 115131283 its reverse (382131511), we get a palindrome (497262794).

The spelling of 115131283 in words is "one hundred fifteen million, one hundred thirty-one thousand, two hundred eighty-three".