13103031100 has 18 divisors (see below), whose sum is σ = 28433577704. Its totient is φ = 5241212400.

The previous prime is 13103031083. The next prime is 13103031133. The reversal of 13103031100 is 113030131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 65515056 + ... + 65515255.

Almost surely, 2^13103031100 is an apocalyptic number.

13103031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103031100 is an abundant number, since it is smaller than the sum of its proper divisors (15330546604).

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

13103031100 is a wasteful number, since it uses less digits than its factorization.

13103031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131030325 (or 131030318 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 13103031100 its reverse (113030131), we get a palindrome (13216061231).

The spelling of 13103031100 in words is "thirteen billion, one hundred three million, thirty-one thousand, one hundred".