321243341064 has 16 divisors (see below), whose sum is σ = 803108352720. Its totient is φ = 107081113680.

The previous prime is 321243341063. The next prime is 321243341099. The reversal of 321243341064 is 460143342123.

It is a super-2 number, since 2×321243341064² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321243341063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6692569582 + ... + 6692569629.

It is an arithmetic number, because the mean of its divisors is an integer number (50194272045).

Almost surely, 2^321243341064 is an apocalyptic number.

It is an amenable number.

321243341064 is an abundant number, since it is smaller than the sum of its proper divisors (481865011656).

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

321243341064 is a wasteful number, since it uses less digits than its factorization.

321243341064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13385139220 (or 13385139216 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 321243341064 its reverse (460143342123), we get a palindrome (781386683187).

The spelling of 321243341064 in words is "three hundred twenty-one billion, two hundred forty-three million, three hundred forty-one thousand, sixty-four".