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313098229 is a prime number
BaseRepresentation
bin10010101010010…
…111111111110101
3210211011001000201
4102222113333311
51120123120404
651022440501
710521201553
oct2252277765
9724131021
10313098229
11150810374
1288a33131
134cb35932
142d822bd3
151c749ca4
hex12a97ff5

313098229 has 2 divisors, whose sum is σ = 313098230. Its totient is φ = 313098228.

The previous prime is 313098221. The next prime is 313098271. The reversal of 313098229 is 922890313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310570129 + 2528100 = 17623^2 + 1590^2 .

It is an emirp because it is prime and its reverse (922890313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313098229 - 23 = 313098221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313098221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156549114 + 156549115.

It is an arithmetic number, because the mean of its divisors is an integer number (156549115).

Almost surely, 2313098229 is an apocalyptic number.

It is an amenable number.

313098229 is a deficient number, since it is larger than the sum of its proper divisors (1).

313098229 is an equidigital number, since it uses as much as digits as its factorization.

313098229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 313098229 is about 17694.5819108562. The cubic root of 313098229 is about 679.0371530140.

The spelling of 313098229 in words is "three hundred thirteen million, ninety-eight thousand, two hundred twenty-nine".