321025200213 has 4 divisors (see below), whose sum is σ = 428033600288. Its totient is φ = 214016800140.

The previous prime is 321025200161. The next prime is 321025200263. The reversal of 321025200213 is 312002520123.

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.

It is not a de Polignac number, because 321025200213 - 2⁶ = 321025200149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321025200213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321025200263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53504200033 + ... + 53504200038.

It is an arithmetic number, because the mean of its divisors is an integer number (107008400072).

Almost surely, 2^321025200213 is an apocalyptic number.

It is an amenable number.

321025200213 is a deficient number, since it is larger than the sum of its proper divisors (107008400075).

321025200213 is a wasteful number, since it uses less digits than its factorization.

321025200213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107008400074.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 321025200213 its reverse (312002520123), we get a palindrome (633027720336).

The spelling of 321025200213 in words is "three hundred twenty-one billion, twenty-five million, two hundred thousand, two hundred thirteen".