1103302100 has 72 divisors (see below), whose sum is σ = 2495699640. Its totient is φ = 422840320.

The previous prime is 1103302099. The next prime is 1103302103. The reversal of 1103302100 is 12033011.

It can be written as a sum of positive squares in 12 ways, for example, as 423865744 + 679436356 = 20588^2 + 26066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103302103) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 395912 + ... + 398688.

It is an arithmetic number, because the mean of its divisors is an integer number (34662495).

Almost surely, 2^1103302100 is an apocalyptic number.

1103302100 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 1103302100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247849820).

1103302100 is an abundant number, since it is smaller than the sum of its proper divisors (1392397540).

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

1103302100 is a wasteful number, since it uses less digits than its factorization.

1103302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1103302100 is about 33215.9916305384. The cubic root of 1103302100 is about 1033.3120206033.

Adding to 1103302100 its reverse (12033011), we get a palindrome (1115335111).

The spelling of 1103302100 in words is "one billion, one hundred three million, three hundred two thousand, one hundred".