321134340220 has 48 divisors (see below), whose sum is σ = 711023241600. Its totient is φ = 121496328000.

The previous prime is 321134340217. The next prime is 321134340229. The reversal of 321134340220 is 22043431123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321134340229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447406 + ... + 917845.

It is an arithmetic number, because the mean of its divisors is an integer number (14812984200).

Almost surely, 2^321134340220 is an apocalyptic number.

It is an amenable number.

321134340220 is an abundant number, since it is smaller than the sum of its proper divisors (389888901380).

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

321134340220 is a wasteful number, since it uses less digits than its factorization.

321134340220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365898 (or 1365896 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 321134340220 its reverse (22043431123), we get a palindrome (343177771343).

The spelling of 321134340220 in words is "three hundred twenty-one billion, one hundred thirty-four million, three hundred forty thousand, two hundred twenty".