321311303220102 has 64 divisors (see below), whose sum is σ = 716621659488000. Its totient is φ = 95362201162368.

The previous prime is 321311303220067. The next prime is 321311303220233. The reversal of 321311303220102 is 201022303113123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67394452 + ... + 72004407.

It is an arithmetic number, because the mean of its divisors is an integer number (11197213429500).

Almost surely, 2^{321311303220102} is an apocalyptic number.

321311303220102 is an abundant number, since it is smaller than the sum of its proper divisors (395310356267898).

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

321311303220102 is a wasteful number, since it uses less digits than its factorization.

321311303220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139399925.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 321311303220102 its reverse (201022303113123), we get a palindrome (522333606333225).

The spelling of 321311303220102 in words is "three hundred twenty-one trillion, three hundred eleven billion, three hundred three million, two hundred twenty thousand, one hundred two".