321143343422 has 16 divisors (see below), whose sum is σ = 532908802944. Its totient is φ = 143918271000.

The previous prime is 321143343347. The next prime is 321143343431. The reversal of 321143343422 is 224343341123.

It is a congruent number.

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, 102797204 + ... + 102800327.

It is an arithmetic number, because the mean of its divisors is an integer number (33306800184).

Almost surely, 2^321143343422 is an apocalyptic number.

321143343422 is a deficient number, since it is larger than the sum of its proper divisors (211765459522).

321143343422 is a wasteful number, since it uses less digits than its factorization.

321143343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205597615.

The product of its digits is 41472, while the sum is 32.

Adding to 321143343422 its reverse (224343341123), we get a palindrome (545486684545).

The spelling of 321143343422 in words is "three hundred twenty-one billion, one hundred forty-three million, three hundred forty-three thousand, four hundred twenty-two".