13003243320 has 32 divisors (see below), whose sum is σ = 39009730320. Its totient is φ = 3467531520.

The previous prime is 13003243249. The next prime is 13003243327. The reversal of 13003243320 is 2334230031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003243327) 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, 54180061 + ... + 54180300.

Almost surely, 2^13003243320 is an apocalyptic number.

13003243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003243320 is an abundant number, since it is smaller than the sum of its proper divisors (26006487000).

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

13003243320 is a wasteful number, since it uses less digits than its factorization.

13003243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108360375 (or 108360371 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 13003243320 its reverse (2334230031), we get a palindrome (15337473351).

The spelling of 13003243320 in words is "thirteen billion, three million, two hundred forty-three thousand, three hundred twenty".