343020513 has 16 divisors (see below), whose sum is σ = 507398400. Its totient is φ = 204366480.

The previous prime is 343020511. The next prime is 343020527. The reversal of 343020513 is 315020343.

It is not a de Polignac number, because 343020513 - 2¹ = 343020511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343020513.

It is not an unprimeable number, because it can be changed into a prime (343020511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86143 + ... + 90036.

It is an arithmetic number, because the mean of its divisors is an integer number (31712400).

Almost surely, 2^343020513 is an apocalyptic number.

343020513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

343020513 is a deficient number, since it is larger than the sum of its proper divisors (164377887).

343020513 is a wasteful number, since it uses less digits than its factorization.

343020513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176252.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 343020513 is about 18520.8129681178. The cubic root of 343020513 is about 700.0139541436.

Adding to 343020513 its reverse (315020343), we get a palindrome (658040856).

The spelling of 343020513 in words is "three hundred forty-three million, twenty thousand, five hundred thirteen".