321434340343312 has 80 divisors (see below), whose sum is σ = 753618871233792. Its totient is φ = 129653515837440.

The previous prime is 321434340343271. The next prime is 321434340343387. The reversal of 321434340343312 is 213343043434123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546883512 + ... + 547470952.

Almost surely, 2^{321434340343312} is an apocalyptic number.

It is an amenable number.

321434340343312 is an abundant number, since it is smaller than the sum of its proper divisors (432184530890480).

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

321434340343312 is a wasteful number, since it uses less digits than its factorization.

321434340343312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874856 (or 874850 counting only the distinct ones).

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

Adding to 321434340343312 its reverse (213343043434123), we get a palindrome (534777383777435).

The spelling of 321434340343312 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, three hundred forty million, three hundred forty-three thousand, three hundred twelve".