13203111000 has 128 divisors (see below), whose sum is σ = 41240908800. Its totient is φ = 3516796800.

The previous prime is 13203110989. The next prime is 13203111029. The reversal of 13203111000 is 11130231.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3367041 + ... + 3370959.

It is an arithmetic number, because the mean of its divisors is an integer number (322194600).

Almost surely, 2^13203111000 is an apocalyptic number.

13203111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13203111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20620454400).

13203111000 is an abundant number, since it is smaller than the sum of its proper divisors (28037797800).

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

13203111000 is a wasteful number, since it uses less digits than its factorization.

13203111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13203111000 its reverse (11130231), we get a palindrome (13214241231).

The spelling of 13203111000 in words is "thirteen billion, two hundred three million, one hundred eleven thousand".