13313334221 has 8 divisors (see below), whose sum is σ = 14652166464. Its totient is φ = 11995923520.

The previous prime is 13313334217. The next prime is 13313334271. The reversal of 13313334221 is 12243331331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13313334221 - 2² = 13313334217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313334271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5354081 + ... + 5356566.

It is an arithmetic number, because the mean of its divisors is an integer number (1831520808).

Almost surely, 2^13313334221 is an apocalyptic number.

13313334221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13313334221 is a deficient number, since it is larger than the sum of its proper divisors (1338832243).

13313334221 is a wasteful number, since it uses less digits than its factorization.

13313334221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10710771.

The product of its digits is 3888, while the sum is 26.

Adding to 13313334221 its reverse (12243331331), we get a palindrome (25556665552).

The spelling of 13313334221 in words is "thirteen billion, three hundred thirteen million, three hundred thirty-four thousand, two hundred twenty-one".