321379121382 has 16 divisors (see below), whose sum is σ = 701190810432. Its totient is φ = 97387612520.

The previous prime is 321379121359. The next prime is 321379121447. The reversal of 321379121382 is 283121973123.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434690248 + ... + 2434690379.

It is an arithmetic number, because the mean of its divisors is an integer number (43824425652).

Almost surely, 2^321379121382 is an apocalyptic number.

321379121382 is an abundant number, since it is smaller than the sum of its proper divisors (379811689050).

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

321379121382 is a wasteful number, since it uses less digits than its factorization.

321379121382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869380643.

The product of its digits is 108864, while the sum is 42.

It can be divided in two parts, 32137 and 9121382, that added together give a palindrome (9153519).

The spelling of 321379121382 in words is "three hundred twenty-one billion, three hundred seventy-nine million, one hundred twenty-one thousand, three hundred eighty-two".