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343431 = 32113469
BaseRepresentation
bin1010011110110000111
3122110002200
41103312013
541442211
611205543
72630154
oct1236607
9573080
10343431
11215030
121468b3
13c041a
148d22b
156bb56
hex53d87

343431 has 12 divisors (see below), whose sum is σ = 541320. Its totient is φ = 208080.

The previous prime is 343423. The next prime is 343433. The reversal of 343431 is 134343.

343431 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 343431 - 23 = 343423 is a prime.

It is a super-2 number, since 2×3434312 = 235889703522, which contains 22 as substring.

343431 is strictly pandigital in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343431.

It is not an unprimeable number, because it can be changed into a prime (343433) 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 in 11 ways as a sum of consecutive naturals, for example, 1636 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (45110).

2343431 is an apocalyptic number.

343431 is a deficient number, since it is larger than the sum of its proper divisors (197889).

343431 is a wasteful number, since it uses less digits than its factorization.

343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3483 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 343431 is about 586.0298627203. The cubic root of 343431 is about 70.0293074558.

Adding to 343431 its reverse (134343), we get a palindrome (477774).

It can be divided in two parts, 3 and 43431, that added together give a palindrome (43434).

The spelling of 343431 in words is "three hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 3 9 11 33 99 3469 10407 31221 38159 114477 343431