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310129 is a prime number
BaseRepresentation
bin1001011101101110001
3120202102021
41023231301
534411004
610351441
72431111
oct1135561
9522367
10310129
111a2006
1212b581
13ab211
1481041
1561d54
hex4bb71

310129 has 2 divisors, whose sum is σ = 310130. Its totient is φ = 310128.

The previous prime is 310127. The next prime is 310169. The reversal of 310129 is 921013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277729 + 32400 = 527^2 + 180^2 .

It is an emirp because it is prime and its reverse (921013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 310129 - 21 = 310127 is a prime.

Together with 310127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (310127) 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, 155064 + 155065.

It is an arithmetic number, because the mean of its divisors is an integer number (155065).

2310129 is an apocalyptic number.

It is an amenable number.

310129 is a deficient number, since it is larger than the sum of its proper divisors (1).

310129 is an equidigital number, since it uses as much as digits as its factorization.

310129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 310129 is about 556.8922696537. The cubic root of 310129 is about 67.6883809507.

The spelling of 310129 in words is "three hundred ten thousand, one hundred twenty-nine".