313243343 has 12 divisors (see below), whose sum is σ = 380291952. Its totient is φ = 252698880.

The previous prime is 313243339. The next prime is 313243373. The reversal of 313243343 is 343342313.

It is a happy number.

It is not a de Polignac number, because 313243343 - 2² = 313243339 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 (313243373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75398 + ... + 79443.

It is an arithmetic number, because the mean of its divisors is an integer number (31690996).

Almost surely, 2^313243343 is an apocalyptic number.

313243343 is a deficient number, since it is larger than the sum of its proper divisors (67048609).

313243343 is a wasteful number, since it uses less digits than its factorization.

313243343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154882 (or 154865 counting only the distinct ones).

The product of its digits is 7776, while the sum is 26.

The square root of 313243343 is about 17698.6819565752. The cubic root of 313243343 is about 679.1420429696.

Adding to 313243343 its reverse (343342313), we get a palindrome (656585656).

The spelling of 313243343 in words is "three hundred thirteen million, two hundred forty-three thousand, three hundred forty-three".