321321132013 has 32 divisors (see below), whose sum is σ = 390078823680. Its totient is φ = 258552000000.

The previous prime is 321321131987. The next prime is 321321132049. The reversal of 321321132013 is 310231123123.

It is not a de Polignac number, because 321321132013 - 2³⁷ = 183882178541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321321132053) 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 31 ways as a sum of consecutive naturals, for example, 6740763 + ... + 6788263.

It is an arithmetic number, because the mean of its divisors is an integer number (12189963240).

Almost surely, 2^321321132013 is an apocalyptic number.

It is an amenable number.

321321132013 is a deficient number, since it is larger than the sum of its proper divisors (68757691667).

321321132013 is a wasteful number, since it uses less digits than its factorization.

321321132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47989.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321321132013 its reverse (310231123123), we get a palindrome (631552255136).

The spelling of 321321132013 in words is "three hundred twenty-one billion, three hundred twenty-one million, one hundred thirty-two thousand, thirteen".