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3100000289 is a prime number
BaseRepresentation
bin1011100011000110…
…0100000000100001
322000001012022221112
42320301210000201
522322100002124
61231335433105
7136551365501
oct27061440041
98001168845
103100000289
111350962111
12726225795
133a53281c9
142159d7a01
1513224890e
hexb8c64021

3100000289 has 2 divisors, whose sum is σ = 3100000290. Its totient is φ = 3100000288.

The previous prime is 3100000273. The next prime is 3100000313. The reversal of 3100000289 is 9820000013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2494003600 + 605996689 = 49940^2 + 24617^2 .

It is an emirp because it is prime and its reverse (9820000013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3100000289 - 24 = 3100000273 is a prime.

It is a super-2 number, since 2×31000002892 = 19220003583600167042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3100000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550000144 + 1550000145.

It is an arithmetic number, because the mean of its divisors is an integer number (1550000145).

Almost surely, 23100000289 is an apocalyptic number.

It is an amenable number.

3100000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3100000289 is an equidigital number, since it uses as much as digits as its factorization.

3100000289 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 23.

The square root of 3100000289 is about 55677.6462235968. The cubic root of 3100000289 is about 1458.0997811376.

The spelling of 3100000289 in words is "three billion, one hundred million, two hundred eighty-nine", and thus it is an aban number.