321384383072 has 12 divisors (see below), whose sum is σ = 632725504236. Its totient is φ = 160692191520.

The previous prime is 321384382939. The next prime is 321384383077. The reversal of 321384383072 is 270383483123.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321384383077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021630954 + ... + 5021631017.

It is an arithmetic number, because the mean of its divisors is an integer number (52727125353).

Almost surely, 2^321384383072 is an apocalyptic number.

321384383072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321384383072 is a deficient number, since it is larger than the sum of its proper divisors (311341121164).

321384383072 is a wasteful number, since it uses less digits than its factorization.

321384383072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043261981 (or 10043261973 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 321384383072 in words is "three hundred twenty-one billion, three hundred eighty-four million, three hundred eighty-three thousand, seventy-two".