321434403131332 has 12 divisors (see below), whose sum is σ = 563763012176700. Its totient is φ = 160359256795136.

The previous prime is 321434403131297. The next prime is 321434403131357. The reversal of 321434403131332 is 233131304434123.

It can be written as a sum of positive squares in 2 ways, for example, as 135814923529156 + 185619479602176 = 11653966^2 + 13624224^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321434403131291 and 321434403131300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89486190613 + ... + 89486194204.

It is an arithmetic number, because the mean of its divisors is an integer number (46980251014725).

Almost surely, 2^{321434403131332} is an apocalyptic number.

It is an amenable number.

321434403131332 is a deficient number, since it is larger than the sum of its proper divisors (242328609045368).

321434403131332 is a wasteful number, since it uses less digits than its factorization.

321434403131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178972385270 (or 178972385268 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 321434403131332 its reverse (233131304434123), we get a palindrome (554565707565455).

The spelling of 321434403131332 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, four hundred three million, one hundred thirty-one thousand, three hundred thirty-two".