13220314333 has 4 divisors (see below), whose sum is σ = 13997979900. Its totient is φ = 12442648768.

The previous prime is 13220314321. The next prime is 13220314337. The reversal of 13220314333 is 33341302231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33341302231 = 64157 ⋅519683.

It can be written as a sum of positive squares in 2 ways, for example, as 4164508089 + 9055806244 = 64533^2 + 95162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13220314333 is a prime.

It is a super-2 number, since 2×13220314333² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13220314298 and 13220314307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220314337) 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, 388832758 + ... + 388832791.

It is an arithmetic number, because the mean of its divisors is an integer number (3499494975).

Almost surely, 2^13220314333 is an apocalyptic number.

It is an amenable number.

13220314333 is a deficient number, since it is larger than the sum of its proper divisors (777665567).

13220314333 is an equidigital number, since it uses as much as digits as its factorization.

13220314333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777665566.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13220314333 its reverse (33341302231), we get a palindrome (46561616564).

The spelling of 13220314333 in words is "thirteen billion, two hundred twenty million, three hundred fourteen thousand, three hundred thirty-three".