13123030100 has 18 divisors (see below), whose sum is σ = 28476975534. Its totient is φ = 5249212000.

The previous prime is 13123030079. The next prime is 13123030147. The reversal of 13123030100 is 103032131.

It can be written as a sum of positive squares in 3 ways, for example, as 2646279364 + 10476750736 = 51442^2 + 102356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65615051 + ... + 65615250.

Almost surely, 2^13123030100 is an apocalyptic number.

13123030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123030100 is an abundant number, since it is smaller than the sum of its proper divisors (15353945434).

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

13123030100 is a wasteful number, since it uses less digits than its factorization.

13123030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131230315 (or 131230308 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13123030100 its reverse (103032131), we get a palindrome (13226062231).

The spelling of 13123030100 in words is "thirteen billion, one hundred twenty-three million, thirty thousand, one hundred".