343122013 has 4 divisors (see below), whose sum is σ = 369516028. Its totient is φ = 316728000.

The previous prime is 343121959. The next prime is 343122019. The reversal of 343122013 is 310221343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310221343 = 2333 ⋅132971.

It can be written as a sum of positive squares in 2 ways, for example, as 32058244 + 311063769 = 5662^2 + 17637^2 .

It is a cyclic number.

It is not a de Polignac number, because 343122013 - 2¹⁷ = 342990941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343122019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13196988 + ... + 13197013.

It is an arithmetic number, because the mean of its divisors is an integer number (92379007).

Almost surely, 2^343122013 is an apocalyptic number.

It is an amenable number.

343122013 is a deficient number, since it is larger than the sum of its proper divisors (26394015).

343122013 is a wasteful number, since it uses less digits than its factorization.

343122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26394014.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 343122013 is about 18523.5529259373. The cubic root of 343122013 is about 700.0829922008.

Adding to 343122013 its reverse (310221343), we get a palindrome (653343356).

The spelling of 343122013 in words is "three hundred forty-three million, one hundred twenty-two thousand, thirteen".