321531413321364 has 24 divisors (see below), whose sum is σ = 768538500135168. Its totient is φ = 104563061242560.

The previous prime is 321531413321357. The next prime is 321531413321383. The reversal of 321531413321364 is 463123314135123.

It is a super-2 number, since 2×321531413321364² (a number of 30 digits) contains 22 as substring.

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, 326759565892 + ... + 326759566875.

It is an arithmetic number, because the mean of its divisors is an integer number (32022437505632).

Almost surely, 2^{321531413321364} is an apocalyptic number.

It is an amenable number.

321531413321364 is an abundant number, since it is smaller than the sum of its proper divisors (447007086813804).

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

321531413321364 is a wasteful number, since it uses less digits than its factorization.

321531413321364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653519132815 (or 653519132813 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

Adding to 321531413321364 its reverse (463123314135123), we get a palindrome (784654727456487).

The spelling of 321531413321364 in words is "three hundred twenty-one trillion, five hundred thirty-one billion, four hundred thirteen million, three hundred twenty-one thousand, three hundred sixty-four".