210013223121313 has 4 divisors (see below), whose sum is σ = 210013763866180. Its totient is φ = 210012682376448.

The previous prime is 210013223121307. The next prime is 210013223121371. The reversal of 210013223121313 is 313121322310012.

210013223121313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 25939341652624 + 184073881468689 = 5093068^2 + 13567383^2 .

It is a cyclic number.

It is not a de Polignac number, because 210013223121313 - 2⁴⁵ = 174828851032481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210013226121313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269789448 + ... + 270566761.

It is an arithmetic number, because the mean of its divisors is an integer number (52503440966545).

Almost surely, 2^{210013223121313} is an apocalyptic number.

It is an amenable number.

210013223121313 is a deficient number, since it is larger than the sum of its proper divisors (540744867).

210013223121313 is an equidigital number, since it uses as much as digits as its factorization.

210013223121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540744866.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 210013223121313 its reverse (313121322310012), we get a palindrome (523134545431325).

The spelling of 210013223121313 in words is "two hundred ten trillion, thirteen billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred thirteen".