313242343 has 4 divisors (see below), whose sum is σ = 317533408. Its totient is φ = 308951280.

The previous prime is 313242329. The next prime is 313242389. The reversal of 313242343 is 343242313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343242313 = 4517 ⋅75989.

It is a cyclic number.

It is not a de Polignac number, because 313242343 - 2¹³ = 313234151 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 (313246343) 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 3 ways as a sum of consecutive naturals, for example, 2145423 + ... + 2145568.

It is an arithmetic number, because the mean of its divisors is an integer number (79383352).

Almost surely, 2^313242343 is an apocalyptic number.

313242343 is a deficient number, since it is larger than the sum of its proper divisors (4291065).

313242343 is an equidigital number, since it uses as much as digits as its factorization.

313242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291064.

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

The square root of 313242343 is about 17698.6537058614. The cubic root of 313242343 is about 679.1413202697.

Adding to 313242343 its reverse (343242313), we get a palindrome (656484656).

The spelling of 313242343 in words is "three hundred thirteen million, two hundred forty-two thousand, three hundred forty-three".