321100210313 has 4 divisors (see below), whose sum is σ = 321113800260. Its totient is φ = 321086620368.

The previous prime is 321100210289. The next prime is 321100210357. The reversal of 321100210313 is 313012001123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313012001123 = 64969 ⋅4817867.

It can be written as a sum of positive squares in 2 ways, for example, as 192858870649 + 128241339664 = 439157^2 + 358108^2 .

It is a cyclic number.

It is not a de Polignac number, because 321100210313 - 2²² = 321096016009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321100210291 and 321100210300.

It is not an unprimeable number, because it can be changed into a prime (321100212313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6759470 + ... + 6806807.

It is an arithmetic number, because the mean of its divisors is an integer number (80278450065).

Almost surely, 2^321100210313 is an apocalyptic number.

It is an amenable number.

321100210313 is a deficient number, since it is larger than the sum of its proper divisors (13589947).

321100210313 is a wasteful number, since it uses less digits than its factorization.

321100210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13589946.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 321100210313 its reverse (313012001123), we get a palindrome (634112211436).

The spelling of 321100210313 in words is "three hundred twenty-one billion, one hundred million, two hundred ten thousand, three hundred thirteen".