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3130121233 is a prime number
BaseRepresentation
bin1011101010010001…
…1101110000010001
322002010212122010001
42322210131300101
522402302334413
61234333210001
7140365406611
oct27244356021
98063778101
103130121233
111366965458
12734330901
133ab643255
142199d8a41
15134be84dd
hexba91dc11

3130121233 has 2 divisors, whose sum is σ = 3130121234. Its totient is φ = 3130121232.

The previous prime is 3130121207. The next prime is 3130121249. The reversal of 3130121233 is 3321210313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3081582144 + 48539089 = 55512^2 + 6967^2 .

It is an emirp because it is prime and its reverse (3321210313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3130121233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3130121233.

It is not a weakly prime, because it can be changed into another prime (3130121263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565060616 + 1565060617.

It is an arithmetic number, because the mean of its divisors is an integer number (1565060617).

Almost surely, 23130121233 is an apocalyptic number.

It is an amenable number.

3130121233 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130121233 is an equidigital number, since it uses as much as digits as its factorization.

3130121233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3130121233 is about 55947.4863867895. The cubic root of 3130121233 is about 1462.8070772925.

Adding to 3130121233 its reverse (3321210313), we get a palindrome (6451331546).

The spelling of 3130121233 in words is "three billion, one hundred thirty million, one hundred twenty-one thousand, two hundred thirty-three".