343404331031344 has 40 divisors (see below), whose sum is σ = 725913908960400. Its totient is φ = 156075237427200.

The previous prime is 343404331031273. The next prime is 343404331031381. The reversal of 343404331031344 is 443130133404343.

It is a junction number, because it is equal to n+sod(n) for n = 343404331031297 and 343404331031306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108690117 + ... + 111804964.

It is an arithmetic number, because the mean of its divisors is an integer number (18147847724010).

Almost surely, 2^{343404331031344} is an apocalyptic number.

It is an amenable number.

343404331031344 is an abundant number, since it is smaller than the sum of its proper divisors (382509577929056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343404331031344 is a wasteful number, since it uses less digits than its factorization.

343404331031344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220503949 (or 220503943 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 40.

Adding to 343404331031344 its reverse (443130133404343), we get a palindrome (786534464435687).

The spelling of 343404331031344 in words is "three hundred forty-three trillion, four hundred four billion, three hundred thirty-one million, thirty-one thousand, three hundred forty-four".