311342343 has 16 divisors (see below), whose sum is σ = 448051296. Its totient is φ = 191168640.

The previous prime is 311342327. The next prime is 311342363. The reversal of 311342343 is 343243113.

It is not a de Polignac number, because 311342343 - 2⁴ = 311342327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311342363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9321 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (28003206).

Almost surely, 2^311342343 is an apocalyptic number.

311342343 is a deficient number, since it is larger than the sum of its proper divisors (136708953).

311342343 is a wasteful number, since it uses less digits than its factorization.

311342343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794.

The product of its digits is 2592, while the sum is 24.

The square root of 311342343 is about 17644.8956641857. The cubic root of 311342343 is about 677.7654033862.

Adding to 311342343 its reverse (343243113), we get a palindrome (654585456).

The spelling of 311342343 in words is "three hundred eleven million, three hundred forty-two thousand, three hundred forty-three".