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343332431 = 132310111369
BaseRepresentation
bin10100011101101…
…101011001001111
3212221001002112222
4110131231121033
51200343114211
654022445555
711336164121
oct2435553117
9787032488
10343332431
11166890812
1296b938bb
13561903b0
1433853211
152021d1db
hex1476d64f

343332431 has 16 divisors (see below), whose sum is σ = 389672640. Its totient is φ = 300115200.

The previous prime is 343332427. The next prime is 343332481. The reversal of 343332431 is 134233343.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 343332431 - 22 = 343332427 is a prime.

It is a super-2 number, since 2×3433324312 = 235754316352739522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343332431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343332481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24515 + ... + 35883.

It is an arithmetic number, because the mean of its divisors is an integer number (24354540).

Almost surely, 2343332431 is an apocalyptic number.

343332431 is a deficient number, since it is larger than the sum of its proper divisors (46340209).

343332431 is a wasteful number, since it uses less digits than its factorization.

343332431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506.

The product of its digits is 7776, while the sum is 26.

The square root of 343332431 is about 18529.2317973520. The cubic root of 343332431 is about 700.2260705183.

Adding to 343332431 its reverse (134233343), we get a palindrome (477565774).

The spelling of 343332431 in words is "three hundred forty-three million, three hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 13 23 101 299 1313 2323 11369 30199 147797 261487 1148269 3399331 14927497 26410187 343332431