313440443343 has 10 divisors (see below), whose sum is σ = 468225847584. Its totient is φ = 208960295508.

The previous prime is 313440443311. The next prime is 313440443357. The reversal of 313440443343 is 343344044313.

313440443343 is a `hidden beast` number, since 3 + 134 + 40 + 443 + 3 + 43 = 666.

It is not a de Polignac number, because 313440443343 - 2⁵ = 313440443311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313440443298 and 313440443307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313440445343) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1934817471 + ... + 1934817632.

Almost surely, 2^313440443343 is an apocalyptic number.

313440443343 is a deficient number, since it is larger than the sum of its proper divisors (154785404241).

313440443343 is an equidigital number, since it uses as much as digits as its factorization.

313440443343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869635115 (or 3869635106 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 313440443343 its reverse (343344044313), we get a palindrome (656784487656).

The spelling of 313440443343 in words is "three hundred thirteen billion, four hundred forty million, four hundred forty-three thousand, three hundred forty-three".