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3031315013 is a prime number
BaseRepresentation
bin1011010010101110…
…0011001001000101
321211020221202110102
42310223203021011
522202004040023
61220443333445
7135055516046
oct26453431105
97736852412
103031315013
111316109921
12707221285
13394029c2c
1420a8388cd
1512b1cc628
hexb4ae3245

3031315013 has 2 divisors, whose sum is σ = 3031315014. Its totient is φ = 3031315012.

The previous prime is 3031315009. The next prime is 3031315031. The reversal of 3031315013 is 3105131303.

Together with next prime (3031315031) 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., 2459961604 + 571353409 = 49598^2 + 23903^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031315013 - 22 = 3031315009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3031315073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515657506 + 1515657507.

It is an arithmetic number, because the mean of its divisors is an integer number (1515657507).

Almost surely, 23031315013 is an apocalyptic number.

It is an amenable number.

3031315013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031315013 is an equidigital number, since it uses as much as digits as its factorization.

3031315013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 3031315013 is about 55057.3792783492. The cubic root of 3031315013 is about 1447.2504395445.

Adding to 3031315013 its reverse (3105131303), we get a palindrome (6136446316).

The spelling of 3031315013 in words is "three billion, thirty-one million, three hundred fifteen thousand, thirteen".