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318968341 is a prime number
BaseRepresentation
bin10011000000110…
…001001000010101
3211020012021022021
4103000301020111
51123123441331
651352333141
710622120566
oct2300611025
9736167267
10318968341
1115405a6aa
128a9a41b1
135110c783
143051016d
151d009211
hex13031215

318968341 has 2 divisors, whose sum is σ = 318968342. Its totient is φ = 318968340.

The previous prime is 318968291. The next prime is 318968357. The reversal of 318968341 is 143869813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304642116 + 14326225 = 17454^2 + 3785^2 .

It is an emirp because it is prime and its reverse (143869813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318968341 - 217 = 318837269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318963341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159484170 + 159484171.

It is an arithmetic number, because the mean of its divisors is an integer number (159484171).

Almost surely, 2318968341 is an apocalyptic number.

It is an amenable number.

318968341 is a deficient number, since it is larger than the sum of its proper divisors (1).

318968341 is an equidigital number, since it uses as much as digits as its factorization.

318968341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 318968341 is about 17859.6847956508. The cubic root of 318968341 is about 683.2545406407.

The spelling of 318968341 in words is "three hundred eighteen million, nine hundred sixty-eight thousand, three hundred forty-one".