321400324133204 has 6 divisors (see below), whose sum is σ = 562450567233114. Its totient is φ = 160700162066600.

The previous prime is 321400324133153. The next prime is 321400324133209. The reversal of 321400324133204 is 402331423004123.

It can be written as a sum of positive squares in only one way, i.e., 250131305491600 + 71269018641604 = 15815540^2 + 8442098^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321400324133209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40175040516647 + ... + 40175040516654.

It is an arithmetic number, because the mean of its divisors is an integer number (93741761205519).

Almost surely, 2^{321400324133204} is an apocalyptic number.

It is an amenable number.

321400324133204 is a deficient number, since it is larger than the sum of its proper divisors (241050243099910).

321400324133204 is a wasteful number, since it uses less digits than its factorization.

321400324133204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80350081033305 (or 80350081033303 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321400324133204 its reverse (402331423004123), we get a palindrome (723731747137327).

The spelling of 321400324133204 in words is "three hundred twenty-one trillion, four hundred billion, three hundred twenty-four million, one hundred thirty-three thousand, two hundred four".