342243313 has 4 divisors (see below), whose sum is σ = 348700788. Its totient is φ = 335785840.

The previous prime is 342243301. The next prime is 342243347. The reversal of 342243313 is 313342243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313342243 = 19 ⋅16491697.

It can be written as a sum of positive squares in 2 ways, for example, as 292512609 + 49730704 = 17103^2 + 7052^2 .

It is a cyclic number.

It is not a de Polignac number, because 342243313 - 2¹³ = 342235121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342243373) 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, 3228658 + ... + 3228763.

It is an arithmetic number, because the mean of its divisors is an integer number (87175197).

Almost surely, 2^342243313 is an apocalyptic number.

It is an amenable number.

342243313 is a deficient number, since it is larger than the sum of its proper divisors (6457475).

342243313 is an equidigital number, since it uses as much as digits as its factorization.

342243313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457474.

The product of its digits is 5184, while the sum is 25.

The square root of 342243313 is about 18499.8192693875. The cubic root of 342243313 is about 699.4848679446.

Adding to 342243313 its reverse (313342243), we get a palindrome (655585556).

The spelling of 342243313 in words is "three hundred forty-two million, two hundred forty-three thousand, three hundred thirteen".