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2103310309 is a prime number
BaseRepresentation
bin111110101011101…
…1111011111100101
312102120202020022211
41331113133133211
513301421412214
6544413123421
7103056562012
oct17527373745
95376666284
102103310309
1198a29a191
124a8489571
132769a9819
1415d4ac709
15c49bd0c4
hex7d5df7e5

2103310309 has 2 divisors, whose sum is σ = 2103310310. Its totient is φ = 2103310308.

The previous prime is 2103310283. The next prime is 2103310327. The reversal of 2103310309 is 9030133012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1633938084 + 469372225 = 40422^2 + 21665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103310309 - 211 = 2103308261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103310309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103310369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051655154 + 1051655155.

It is an arithmetic number, because the mean of its divisors is an integer number (1051655155).

Almost surely, 22103310309 is an apocalyptic number.

It is an amenable number.

2103310309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103310309 is an equidigital number, since it uses as much as digits as its factorization.

2103310309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 2103310309 is about 45861.8611593555. The cubic root of 2103310309 is about 1281.2516867747.

The spelling of 2103310309 in words is "two billion, one hundred three million, three hundred ten thousand, three hundred nine".