321100323013 has 2 divisors, whose sum is σ = 321100323014. Its totient is φ = 321100323012.

The previous prime is 321100322993. The next prime is 321100323023. The reversal of 321100323013 is 310323001123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240317609284 + 80782713729 = 490222^2 + 284223^2 .

It is a cyclic number.

It is not a de Polignac number, because 321100323013 - 2¹⁷ = 321100191941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321100323023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160550161506 + 160550161507.

It is an arithmetic number, because the mean of its divisors is an integer number (160550161507).

Almost surely, 2^321100323013 is an apocalyptic number.

It is an amenable number.

321100323013 is a deficient number, since it is larger than the sum of its proper divisors (1).

321100323013 is an equidigital number, since it uses as much as digits as its factorization.

321100323013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321100323013 its reverse (310323001123), we get a palindrome (631423324136).

The spelling of 321100323013 in words is "three hundred twenty-one billion, one hundred million, three hundred twenty-three thousand, thirteen".