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3130680221 is a prime number
BaseRepresentation
bin1011101010011010…
…0110001110011101
322002011221000220022
42322212212032131
522402423231341
61234353201525
7140403225404
oct27246461635
98064830808
103130680221
111367207429
127345602a5
133ab7aa806
14219b0263b
15134ca8e4b
hexba9a639d

3130680221 has 2 divisors, whose sum is σ = 3130680222. Its totient is φ = 3130680220.

The previous prime is 3130680197. The next prime is 3130680251. The reversal of 3130680221 is 1220860313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3112524100 + 18156121 = 55790^2 + 4261^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130680221 - 210 = 3130679197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130680251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565340110 + 1565340111.

It is an arithmetic number, because the mean of its divisors is an integer number (1565340111).

Almost surely, 23130680221 is an apocalyptic number.

It is an amenable number.

3130680221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130680221 is an equidigital number, since it uses as much as digits as its factorization.

3130680221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3130680221 is about 55952.4818126953. The cubic root of 3130680221 is about 1462.8941498445.

The spelling of 3130680221 in words is "three billion, one hundred thirty million, six hundred eighty thousand, two hundred twenty-one".