13113012100 has 18 divisors (see below), whose sum is σ = 28455236474. Its totient is φ = 5245204800.

The previous prime is 13113012053. The next prime is 13113012113. The reversal of 13113012100 is 121031131.

It can be written as a sum of positive squares in 3 ways, for example, as 45778756 + 13067233344 = 6766^2 + 114312^2 .

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, 65564961 + ... + 65565160.

Almost surely, 2^13113012100 is an apocalyptic number.

13113012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113012100 is an abundant number, since it is smaller than the sum of its proper divisors (15342224374).

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

13113012100 is a wasteful number, since it uses less digits than its factorization.

13113012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131130135 (or 131130128 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13113012100 its reverse (121031131), we get a palindrome (13234043231).

The spelling of 13113012100 in words is "thirteen billion, one hundred thirteen million, twelve thousand, one hundred".