321213444302013 has 8 divisors (see below), whose sum is σ = 428425429176576. Its totient is φ = 214071877814400.

The previous prime is 321213444301973. The next prime is 321213444302119. The reversal of 321213444302013 is 310203444312123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321213444302013 - 2¹³ = 321213444293821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213442302013) 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 7 ways as a sum of consecutive naturals, for example, 17604586093 + ... + 17604604338.

It is an arithmetic number, because the mean of its divisors is an integer number (53553178647072).

Almost surely, 2^{321213444302013} is an apocalyptic number.

It is an amenable number.

321213444302013 is a deficient number, since it is larger than the sum of its proper divisors (107211984874563).

321213444302013 is a wasteful number, since it uses less digits than its factorization.

321213444302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35209193475.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 321213444302013 its reverse (310203444312123), we get a palindrome (631416888614136).

The spelling of 321213444302013 in words is "three hundred twenty-one trillion, two hundred thirteen billion, four hundred forty-four million, three hundred two thousand, thirteen".