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3130314221 is a prime number
BaseRepresentation
bin1011101010010100…
…1100110111101101
322002011020102211202
42322211030313231
522402330023341
61234341255245
7140400142346
oct27245146755
98064212752
103130314221
111366a87451
12734404525
133ab6b0048
14219a490cd
15134c3579b
hexba94cded

3130314221 has 2 divisors, whose sum is σ = 3130314222. Its totient is φ = 3130314220.

The previous prime is 3130314217. The next prime is 3130314251. The reversal of 3130314221 is 1224130313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3104161225 + 26152996 = 55715^2 + 5114^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130314221 - 22 = 3130314217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130314193 and 3130314202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130314251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565157110 + 1565157111.

It is an arithmetic number, because the mean of its divisors is an integer number (1565157111).

Almost surely, 23130314221 is an apocalyptic number.

It is an amenable number.

3130314221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130314221 is an equidigital number, since it uses as much as digits as its factorization.

3130314221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3130314221 is about 55949.2110846972. The cubic root of 3130314221 is about 1462.8371398566.

Adding to 3130314221 its reverse (1224130313), we get a palindrome (4354444534).

The spelling of 3130314221 in words is "three billion, one hundred thirty million, three hundred fourteen thousand, two hundred twenty-one".