321443216342 has 24 divisors (see below), whose sum is σ = 508976071200. Its totient is φ = 152233100208.

The previous prime is 321443216333. The next prime is 321443216351. The reversal of 321443216342 is 243612344123.

It is an interprime number because it is at equal distance from previous prime (321443216333) and next prime (321443216351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3944384 + ... + 4025052.

It is an arithmetic number, because the mean of its divisors is an integer number (21207336300).

Almost surely, 2^321443216342 is an apocalyptic number.

321443216342 is a deficient number, since it is larger than the sum of its proper divisors (187532854858).

321443216342 is a wasteful number, since it uses less digits than its factorization.

321443216342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86228 (or 86209 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The spelling of 321443216342 in words is "three hundred twenty-one billion, four hundred forty-three million, two hundred sixteen thousand, three hundred forty-two".