13313333320 has 48 divisors (see below), whose sum is σ = 34845617340. Its totient is φ = 4564570752.

The previous prime is 13313333287. The next prime is 13313333321. The reversal of 13313333320 is 2333331331.

It can be written as a sum of positive squares in 2 ways, for example, as 13085987236 + 227346084 = 114394^2 + 15078^2 .

It is not an unprimeable number, because it can be changed into a prime (13313333321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3394299 + ... + 3398218.

Almost surely, 2^13313333320 is an apocalyptic number.

13313333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13313333320 is an abundant number, since it is smaller than the sum of its proper divisors (21532284020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13313333320 is a wasteful number, since it uses less digits than its factorization.

13313333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792542 (or 6792531 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 13313333320 its reverse (2333331331), we get a palindrome (15646664651).

The spelling of 13313333320 in words is "thirteen billion, three hundred thirteen million, three hundred thirty-three thousand, three hundred twenty".