321134220342 has 48 divisors (see below), whose sum is σ = 765256040640. Its totient is φ = 96708174336.

The previous prime is 321134220331. The next prime is 321134220347. The reversal of 321134220342 is 243022431123.

321134220342 is a `hidden beast` number, since 321 + 134 + 2 + 203 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321134220347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14588667 + ... + 14610662.

It is an arithmetic number, because the mean of its divisors is an integer number (15942834180).

Almost surely, 2^321134220342 is an apocalyptic number.

321134220342 is an abundant number, since it is smaller than the sum of its proper divisors (444121820298).

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

321134220342 is a wasteful number, since it uses less digits than its factorization.

321134220342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29199397 (or 29199394 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 321134220342 its reverse (243022431123), we get a palindrome (564156651465).

The spelling of 321134220342 in words is "three hundred twenty-one billion, one hundred thirty-four million, two hundred twenty thousand, three hundred forty-two".