1103320404 has 36 divisors (see below), whose sum is σ = 2828236320. Its totient is φ = 362592720.

The previous prime is 1103320381. The next prime is 1103320429. The reversal of 1103320404 is 4040233011.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 213274 + ... + 218385.

It is an arithmetic number, because the mean of its divisors is an integer number (78562120).

Almost surely, 2^1103320404 is an apocalyptic number.

It is an amenable number.

1103320404 is an abundant number, since it is smaller than the sum of its proper divisors (1724915916).

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

1103320404 is a wasteful number, since it uses less digits than its factorization.

1103320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431740 (or 431735 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1103320404 is about 33216.2671593302. The cubic root of 1103320404 is about 1033.3177348553.

Adding to 1103320404 its reverse (4040233011), we get a palindrome (5143553415).

The spelling of 1103320404 in words is "one billion, one hundred three million, three hundred twenty thousand, four hundred four".