1103320403 has 8 divisors (see below), whose sum is σ = 1114068480. Its totient is φ = 1092621960.

The previous prime is 1103320381. The next prime is 1103320429. The reversal of 1103320403 is 3040233011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103320403 - 2⁸ = 1103320147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103320003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33068 + ... + 57446.

It is an arithmetic number, because the mean of its divisors is an integer number (139258560).

Almost surely, 2^1103320403 is an apocalyptic number.

1103320403 is a deficient number, since it is larger than the sum of its proper divisors (10748077).

1103320403 is a wasteful number, since it uses less digits than its factorization.

1103320403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24817.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1103320403 is about 33216.2671442774. The cubic root of 1103320403 is about 1033.3177345431.

Adding to 1103320403 its reverse (3040233011), we get a palindrome (4143553414).

The spelling of 1103320403 in words is "one billion, one hundred three million, three hundred twenty thousand, four hundred three".