321310032103213 has 4 divisors (see below), whose sum is σ = 321310068048160. Its totient is φ = 321309996158268.

The previous prime is 321310032103141. The next prime is 321310032103217. The reversal of 321310032103213 is 312301230013123.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 321310032103213 - 2⁹ = 321310032102701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321310032103217) 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, 7030618 + ... + 26306836.

It is an arithmetic number, because the mean of its divisors is an integer number (80327517012040).

Almost surely, 2^{321310032103213} is an apocalyptic number.

It is an amenable number.

321310032103213 is a deficient number, since it is larger than the sum of its proper divisors (35944947).

321310032103213 is a wasteful number, since it uses less digits than its factorization.

321310032103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35944946.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 321310032103213 its reverse (312301230013123), we get a palindrome (633611262116336).

The spelling of 321310032103213 in words is "three hundred twenty-one trillion, three hundred ten billion, thirty-two million, one hundred three thousand, two hundred thirteen".