321311230032 has 80 divisors (see below), whose sum is σ = 897808231040. Its totient is φ = 98433225216.

The previous prime is 321311230021. The next prime is 321311230039. The reversal of 321311230032 is 230032113123.

It is a junction number, because it is equal to n+sod(n) for n = 321311229990 and 321311230008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311230039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981388 + ... + 1267179.

It is an arithmetic number, because the mean of its divisors is an integer number (11222602888).

Almost surely, 2^321311230032 is an apocalyptic number.

It is an amenable number.

321311230032 is an abundant number, since it is smaller than the sum of its proper divisors (576497001008).

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

321311230032 is a wasteful number, since it uses less digits than its factorization.

321311230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248820 (or 2248814 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321311230032 its reverse (230032113123), we get a palindrome (551343343155).

The spelling of 321311230032 in words is "three hundred twenty-one billion, three hundred eleven million, two hundred thirty thousand, thirty-two".