13212030313 has 4 divisors (see below), whose sum is σ = 13218543940. Its totient is φ = 13205516688.

The previous prime is 13212030289. The next prime is 13212030319. The reversal of 13212030313 is 31303021231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31303021231 = 113 ⋅277017887.

It can be written as a sum of positive squares in 2 ways, for example, as 9398720809 + 3813309504 = 96947^2 + 61752^2 .

It is a cyclic number.

It is not a de Polignac number, because 13212030313 - 2¹³ = 13212022121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212030319) 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, 3253770 + ... + 3257827.

It is an arithmetic number, because the mean of its divisors is an integer number (3304635985).

Almost surely, 2^13212030313 is an apocalyptic number.

It is an amenable number.

13212030313 is a deficient number, since it is larger than the sum of its proper divisors (6513627).

13212030313 is an equidigital number, since it uses as much as digits as its factorization.

13212030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513626.

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

Adding to 13212030313 its reverse (31303021231), we get a palindrome (44515051544).

The spelling of 13212030313 in words is "thirteen billion, two hundred twelve million, thirty thousand, three hundred thirteen".