13210031100 has 144 divisors (see below), whose sum is σ = 43742144768. Its totient is φ = 3015221760.

The previous prime is 13210031099. The next prime is 13210031179. The reversal of 13210031100 is 113001231.

13210031100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1648704 + ... + 1656696.

Almost surely, 2^13210031100 is an apocalyptic number.

13210031100 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 13210031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21871072384).

13210031100 is an abundant number, since it is smaller than the sum of its proper divisors (30532113668).

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

13210031100 is a wasteful number, since it uses less digits than its factorization.

13210031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804 (or 8797 counting only the distinct ones).

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

Adding to 13210031100 its reverse (113001231), we get a palindrome (13323032331).

The spelling of 13210031100 in words is "thirteen billion, two hundred ten million, thirty-one thousand, one hundred".