1103320213 has 6 divisors (see below), whose sum is σ = 1172039426. Its totient is φ = 1038418752.

The previous prime is 1103320193. The next prime is 1103320219. The reversal of 1103320213 is 3120233011.

It can be written as a sum of positive squares in 3 ways, for example, as 689482564 + 413837649 = 26258^2 + 20343^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1103320213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103320219) 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 5 ways as a sum of consecutive naturals, for example, 1908570 + ... + 1909147.

Almost surely, 2^1103320213 is an apocalyptic number.

It is an amenable number.

1103320213 is a deficient number, since it is larger than the sum of its proper divisors (68719213).

1103320213 is an equidigital number, since it uses as much as digits as its factorization.

1103320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817751 (or 3817734 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1103320213 is about 33216.2642842328. The cubic root of 1103320213 is about 1033.3176752281.

Adding to 1103320213 its reverse (3120233011), we get a palindrome (4223553224).

The spelling of 1103320213 in words is "one billion, one hundred three million, three hundred twenty thousand, two hundred thirteen".