321432243041121 has 32 divisors (see below), whose sum is σ = 446252184282240. Its totient is φ = 205622595724800.

The previous prime is 321432243041071. The next prime is 321432243041167. The reversal of 321432243041121 is 121140342234123.

It is a de Polignac number, because none of the positive numbers 2^k-321432243041121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321432243041621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130631290 + ... + 133069148.

It is an arithmetic number, because the mean of its divisors is an integer number (13945380758820).

Almost surely, 2^{321432243041121} is an apocalyptic number.

It is an amenable number.

321432243041121 is a deficient number, since it is larger than the sum of its proper divisors (124819941241119).

321432243041121 is a wasteful number, since it uses less digits than its factorization.

321432243041121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455537.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 321432243041121 its reverse (121140342234123), we get a palindrome (442572585275244).

The spelling of 321432243041121 in words is "three hundred twenty-one trillion, four hundred thirty-two billion, two hundred forty-three million, forty-one thousand, one hundred twenty-one".