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3130123313 is a prime number
BaseRepresentation
bin1011101010010001…
…1110010000110001
322002010212201222002
42322210132100301
522402302421223
61234333223345
7140365415642
oct27244362061
98063781862
103130123313
111366966a79
12734331b55
133ab644195
142199d96c9
15134be8e28
hexba91e431

3130123313 has 2 divisors, whose sum is σ = 3130123314. Its totient is φ = 3130123312.

The previous prime is 3130123309. The next prime is 3130123333. The reversal of 3130123313 is 3133210313.

It is an a-pointer prime, because the next prime (3130123333) can be obtained adding 3130123313 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3118887409 + 11235904 = 55847^2 + 3352^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130123313 - 22 = 3130123309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3130123333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565061656 + 1565061657.

It is an arithmetic number, because the mean of its divisors is an integer number (1565061657).

Almost surely, 23130123313 is an apocalyptic number.

It is an amenable number.

3130123313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130123313 is an equidigital number, since it uses as much as digits as its factorization.

3130123313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3130123313 is about 55947.5049756466. The cubic root of 3130123313 is about 1462.8074013095.

Adding to 3130123313 its reverse (3133210313), we get a palindrome (6263333626).

The spelling of 3130123313 in words is "three billion, one hundred thirty million, one hundred twenty-three thousand, three hundred thirteen".