321313011132 has 96 divisors (see below), whose sum is σ = 797386089024. Its totient is φ = 100566835200.

The previous prime is 321313011119. The next prime is 321313011143. The reversal of 321313011132 is 231110313123.

It is a happy number.

It is a super-2 number, since 2×321313011132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321313011099 and 321313011108.

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, 1323532 + ... + 1547372.

It is an arithmetic number, because the mean of its divisors is an integer number (8306105094).

Almost surely, 2^321313011132 is an apocalyptic number.

It is an amenable number.

321313011132 is an abundant number, since it is smaller than the sum of its proper divisors (476073077892).

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

321313011132 is a wasteful number, since it uses less digits than its factorization.

321313011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223999 (or 223997 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 321313011132 its reverse (231110313123), we get a palindrome (552423324255).

The spelling of 321313011132 in words is "three hundred twenty-one billion, three hundred thirteen million, eleven thousand, one hundred thirty-two".