321214004213 has 4 divisors (see below), whose sum is σ = 321413890080. Its totient is φ = 321014118348.

The previous prime is 321214004197. The next prime is 321214004227. The reversal of 321214004213 is 312400412123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312400412123 = 137 ⋅2280294979.

It is a cyclic number.

It is not a de Polignac number, because 321214004213 - 2⁴ = 321214004197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321214009213) 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 3 ways as a sum of consecutive naturals, for example, 99940523 + ... + 99943736.

It is an arithmetic number, because the mean of its divisors is an integer number (80353472520).

Almost surely, 2^321214004213 is an apocalyptic number.

It is an amenable number.

321214004213 is a deficient number, since it is larger than the sum of its proper divisors (199885867).

321214004213 is a wasteful number, since it uses less digits than its factorization.

321214004213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199885866.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 321214004213 its reverse (312400412123), we get a palindrome (633614416336).

The spelling of 321214004213 in words is "three hundred twenty-one billion, two hundred fourteen million, four thousand, two hundred thirteen".