Search a number
-
+
343143169 is a prime number
BaseRepresentation
bin10100011100111…
…111001100000001
3212220200110221021
4110130333030001
51200321040134
654014425441
711334445255
oct2434771401
9786613837
10343143169
111667715a6
1296b02281
13561251c5
1433804265
15201d20b4
hex1473f301

343143169 has 2 divisors, whose sum is σ = 343143170. Its totient is φ = 343143168.

The previous prime is 343143133. The next prime is 343143191. The reversal of 343143169 is 961341343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240870400 + 102272769 = 15520^2 + 10113^2 .

It is an emirp because it is prime and its reverse (961341343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343143169 - 227 = 208925441 is a prime.

It is a super-2 number, since 2×3431431692 = 235494468862725122, which contains 22 as substring.

It is equal to p18454705 and since 343143169 and 18454705 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (343123169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171571584 + 171571585.

It is an arithmetic number, because the mean of its divisors is an integer number (171571585).

Almost surely, 2343143169 is an apocalyptic number.

It is an amenable number.

343143169 is a deficient number, since it is larger than the sum of its proper divisors (1).

343143169 is an equidigital number, since it uses as much as digits as its factorization.

343143169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 343143169 is about 18524.1239738888. The cubic root of 343143169 is about 700.0973803299.

The spelling of 343143169 in words is "three hundred forty-three million, one hundred forty-three thousand, one hundred sixty-nine".