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113831297 is a prime number
BaseRepresentation
bin1101100100011…
…10110110000001
321221012020011222
412302032312001
5213120100142
615143444425
72551356446
oct662166601
9257166158
10113831297
1159289158
1232156715
131a7771c8
14111919cd
159ed7bd2
hex6c8ed81

113831297 has 2 divisors, whose sum is σ = 113831298. Its totient is φ = 113831296.

The previous prime is 113831279. The next prime is 113831327. The reversal of 113831297 is 792138311.

It is a happy number.

Together with previous prime (113831279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91087936 + 22743361 = 9544^2 + 4769^2 .

It is a cyclic number.

It is not a de Polignac number, because 113831297 - 212 = 113827201 is a prime.

It is not a weakly prime, because it can be changed into another prime (113831257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56915648 + 56915649.

It is an arithmetic number, because the mean of its divisors is an integer number (56915649).

Almost surely, 2113831297 is an apocalyptic number.

It is an amenable number.

113831297 is a deficient number, since it is larger than the sum of its proper divisors (1).

113831297 is an equidigital number, since it uses as much as digits as its factorization.

113831297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 113831297 is about 10669.1750852632. The cubic root of 113831297 is about 484.6414567628.

The spelling of 113831297 in words is "one hundred thirteen million, eight hundred thirty-one thousand, two hundred ninety-seven".