321410243220113 has 4 divisors (see below), whose sum is σ = 325021594267620. Its totient is φ = 317798892172608.

The previous prime is 321410243220037. The next prime is 321410243220149. The reversal of 321410243220113 is 311022342014123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29543497064449 + 291866746155664 = 5435393^2 + 17084108^2 .

It is a cyclic number.

It is not a de Polignac number, because 321410243220113 - 2⁴⁰ = 320310731592337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321410243220163) 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, 1805675523620 + ... + 1805675523797.

It is an arithmetic number, because the mean of its divisors is an integer number (81255398566905).

Almost surely, 2^{321410243220113} is an apocalyptic number.

It is an amenable number.

321410243220113 is a deficient number, since it is larger than the sum of its proper divisors (3611351047507).

321410243220113 is an equidigital number, since it uses as much as digits as its factorization.

321410243220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611351047506.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321410243220113 its reverse (311022342014123), we get a palindrome (632432585234236).

The spelling of 321410243220113 in words is "three hundred twenty-one trillion, four hundred ten billion, two hundred forty-three million, two hundred twenty thousand, one hundred thirteen".