313444332443 has 4 divisors (see below), whose sum is σ = 341939271768. Its totient is φ = 284949393120.

The previous prime is 313444332437. The next prime is 313444332529. The reversal of 313444332443 is 344233444313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313444332443 - 2⁶ = 313444332379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313444332397 and 313444332406.

It is not an unprimeable number, because it can be changed into a prime (313444332433) 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, 14247469646 + ... + 14247469667.

It is an arithmetic number, because the mean of its divisors is an integer number (85484817942).

Almost surely, 2^313444332443 is an apocalyptic number.

313444332443 is a deficient number, since it is larger than the sum of its proper divisors (28494939325).

313444332443 is a wasteful number, since it uses less digits than its factorization.

313444332443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28494939324.

The product of its digits is 497664, while the sum is 38.

Adding to 313444332443 its reverse (344233444313), we get a palindrome (657677776756).

The spelling of 313444332443 in words is "three hundred thirteen billion, four hundred forty-four million, three hundred thirty-two thousand, four hundred forty-three".