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313018117 is a prime number
BaseRepresentation
bin10010101010000…
…100011100000101
3210210222222010121
4102222010130011
51120113034432
651021021541
710520416156
oct2252043405
9723888117
10313018117
11150766165
12889b48b1
134cb08329
142d80192d
151c731197
hex12a84705

313018117 has 2 divisors, whose sum is σ = 313018118. Its totient is φ = 313018116.

The previous prime is 313018091. The next prime is 313018169. The reversal of 313018117 is 711810313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254434401 + 58583716 = 15951^2 + 7654^2 .

It is a cyclic number.

It is not a de Polignac number, because 313018117 - 223 = 304629509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313018091 and 313018100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313018417) 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, 156509058 + 156509059.

It is an arithmetic number, because the mean of its divisors is an integer number (156509059).

Almost surely, 2313018117 is an apocalyptic number.

It is an amenable number.

313018117 is a deficient number, since it is larger than the sum of its proper divisors (1).

313018117 is an equidigital number, since it uses as much as digits as its factorization.

313018117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 313018117 is about 17692.3180222378. The cubic root of 313018117 is about 678.9792333159.

The spelling of 313018117 in words is "three hundred thirteen million, eighteen thousand, one hundred seventeen".