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3130123309 is a prime number
BaseRepresentation
bin1011101010010001…
…1110010000101101
322002010212201221221
42322210132100231
522402302421214
61234333223341
7140365415635
oct27244362055
98063781857
103130123309
111366966a75
12734331b51
133ab644191
142199d96c5
15134be8e24
hexba91e42d

3130123309 has 2 divisors, whose sum is σ = 3130123310. Its totient is φ = 3130123308.

The previous prime is 3130123279. The next prime is 3130123313. The reversal of 3130123309 is 9033210313.

3130123309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2633947684 + 496175625 = 51322^2 + 22275^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130123309 - 29 = 3130122797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130123379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565061654 + 1565061655.

It is an arithmetic number, because the mean of its divisors is an integer number (1565061655).

Almost surely, 23130123309 is an apocalyptic number.

It is an amenable number.

3130123309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130123309 is an equidigital number, since it uses as much as digits as its factorization.

3130123309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 3130123309 is about 55947.5049398988. The cubic root of 3130123309 is about 1462.8074006864.

The spelling of 3130123309 in words is "three billion, one hundred thirty million, one hundred twenty-three thousand, three hundred nine".