321142434404 has 12 divisors (see below), whose sum is σ = 613090102128. Its totient is φ = 145973833800.

The previous prime is 321142434367. The next prime is 321142434407. The reversal of 321142434404 is 404434241123.

It is not an unprimeable number, because it can be changed into a prime (321142434407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3649345802 + ... + 3649345889.

It is an arithmetic number, because the mean of its divisors is an integer number (51090841844).

Almost surely, 2^321142434404 is an apocalyptic number.

It is an amenable number.

321142434404 is a deficient number, since it is larger than the sum of its proper divisors (291947667724).

321142434404 is a wasteful number, since it uses less digits than its factorization.

321142434404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298691706 (or 7298691704 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 321142434404 its reverse (404434241123), we get a palindrome (725576675527).

The spelling of 321142434404 in words is "three hundred twenty-one billion, one hundred forty-two million, four hundred thirty-four thousand, four hundred four".