321311343130104 has 32 divisors (see below), whose sum is σ = 804215672179920. Its totient is φ = 106978805796096.

The previous prime is 321311343130091. The next prime is 321311343130109. The reversal of 321311343130104 is 401031343113123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311343130109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810931959 + ... + 7810973094.

Almost surely, 2^{321311343130104} is an apocalyptic number.

It is an amenable number.

321311343130104 is an abundant number, since it is smaller than the sum of its proper divisors (482904329049816).

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

321311343130104 is a wasteful number, since it uses less digits than its factorization.

321311343130104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621905919 (or 15621905915 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 321311343130104 its reverse (401031343113123), we get a palindrome (722342686243227).

The spelling of 321311343130104 in words is "three hundred twenty-one trillion, three hundred eleven billion, three hundred forty-three million, one hundred thirty thousand, one hundred four".