13103312100 has 72 divisors (see below), whose sum is σ = 37936113600. Its totient is φ = 3492017280.

The previous prime is 13103312099. The next prime is 13103312113. The reversal of 13103312100 is 121330131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13103312100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495001 + ... + 520799.

Almost surely, 2^13103312100 is an apocalyptic number.

13103312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103312100 is an abundant number, since it is smaller than the sum of its proper divisors (24832801500).

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

13103312100 is a wasteful number, since it uses less digits than its factorization.

13103312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27509 (or 27502 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13103312100 its reverse (121330131), we get a palindrome (13224642231).

The spelling of 13103312100 in words is "thirteen billion, one hundred three million, three hundred twelve thousand, one hundred".