313443 has 32 divisors (see below), whose sum is σ = 537600. Its totient is φ = 178848.

The previous prime is 313409. The next prime is 313471. The reversal of 313443 is 344313.

It is not a de Polignac number, because 313443 - 2⁹ = 312931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6646 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (16800).

2³¹³⁴⁴³ is an apocalyptic number.

313443 is a deficient number, since it is larger than the sum of its proper divisors (224157).

313443 is a wasteful number, since it uses less digits than its factorization.

313443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 82 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 313443 is about 559.8598038795. The cubic root of 313443 is about 67.9286304257.

Adding to 313443 its reverse (344313), we get a palindrome (657756).

The spelling of 313443 in words is "three hundred thirteen thousand, four hundred forty-three".