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3130513 is a prime number
BaseRepresentation
bin1011111100010010010001
312220001020221
423330102101
51300134023
6151033041
735415601
oct13742221
95801227
103130513
111849001
12106b781
13857b99
145b6c01
1541c85d
hex2fc491

3130513 has 2 divisors, whose sum is σ = 3130514. Its totient is φ = 3130512.

The previous prime is 3130493. The next prime is 3130537. The reversal of 3130513 is 3150313.

3130513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3069504 + 61009 = 1752^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130513 - 213 = 3122321 is a prime.

It is a super-2 number, since 2×31305132 = 19600223286338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3130583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565256 + 1565257.

It is an arithmetic number, because the mean of its divisors is an integer number (1565257).

Almost surely, 23130513 is an apocalyptic number.

It is an amenable number.

3130513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130513 is an equidigital number, since it uses as much as digits as its factorization.

3130513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 3130513 is about 1769.3255777273. The cubic root of 3130513 is about 146.2868103218.

Adding to 3130513 its reverse (3150313), we get a palindrome (6280826).

The spelling of 3130513 in words is "three million, one hundred thirty thousand, five hundred thirteen".