343240404530 has 16 divisors (see below), whose sum is σ = 634530910680. Its totient is φ = 133585454592.

The previous prime is 343240404509. The next prime is 343240404553. The reversal of 343240404530 is 35404042343.

It can be written as a sum of positive squares in 4 ways, for example, as 336261974161 + 6978430369 = 579881^2 + 83537^2 .

It is a super-3 number, since 3×343240404530³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463838015 + ... + 463838754.

Almost surely, 2^343240404530 is an apocalyptic number.

343240404530 is a deficient number, since it is larger than the sum of its proper divisors (291290506150).

343240404530 is a wasteful number, since it uses less digits than its factorization.

343240404530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927676813.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 343240404530 its reverse (35404042343), we get a palindrome (378644446873).

The spelling of 343240404530 in words is "three hundred forty-three billion, two hundred forty million, four hundred four thousand, five hundred thirty".