321267346342 has 16 divisors (see below), whose sum is σ = 489047717664. Its totient is φ = 158254768000.

The previous prime is 321267346331. The next prime is 321267346343. The reversal of 321267346342 is 243643762123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321267346343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637909 + ... + 1024432.

It is an arithmetic number, because the mean of its divisors is an integer number (30565482354).

Almost surely, 2^321267346342 is an apocalyptic number.

321267346342 is a deficient number, since it is larger than the sum of its proper divisors (167780371322).

321267346342 is a wasteful number, since it uses less digits than its factorization.

321267346342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663775.

The product of its digits is 870912, while the sum is 43.

The spelling of 321267346342 in words is "three hundred twenty-one billion, two hundred sixty-seven million, three hundred forty-six thousand, three hundred forty-two".