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343113213 = 3731997873
BaseRepresentation
bin10100011100110…
…111110111111101
3212220121221211210
4110130313313331
51200314110323
654014035033
711334262032
oct2434676775
9786557753
10343113213
11166751043
1296aa8a79
1356114691
14337d7389
15201c8293
hex14737dfd

343113213 has 16 divisors (see below), whose sum is σ = 466140800. Its totient is φ = 224446464.

The previous prime is 343113187. The next prime is 343113217. The reversal of 343113213 is 312311343.

It is not a de Polignac number, because 343113213 - 29 = 343112701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 343113213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343113217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39645 + ... + 47517.

It is an arithmetic number, because the mean of its divisors is an integer number (29133800).

Almost surely, 2343113213 is an apocalyptic number.

It is an amenable number.

343113213 is a deficient number, since it is larger than the sum of its proper divisors (123027587).

343113213 is a wasteful number, since it uses less digits than its factorization.

343113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148.

The product of its digits is 648, while the sum is 21.

The square root of 343113213 is about 18523.3153889902. The cubic root of 343113213 is about 700.0770071744.

Adding to 343113213 its reverse (312311343), we get a palindrome (655424556).

The spelling of 343113213 in words is "three hundred forty-three million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3 73 199 219 597 7873 14527 23619 43581 574729 1566727 1724187 4700181 114371071 343113213