1103033213 has 4 divisors (see below), whose sum is σ = 1108808448. Its totient is φ = 1097257980.

The previous prime is 1103033207. The next prime is 1103033237. The reversal of 1103033213 is 3123303011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123303011 = 19 ⋅164384369.

It is a cyclic number.

It is not a de Polignac number, because 1103033213 - 2¹² = 1103029117 is a prime.

It is a super-2 number, since 2×1103033213² = 2433364537962206738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1103033191 and 1103033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103033273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2887331 + ... + 2887712.

It is an arithmetic number, because the mean of its divisors is an integer number (277202112).

Almost surely, 2^1103033213 is an apocalyptic number.

It is an amenable number.

1103033213 is a deficient number, since it is larger than the sum of its proper divisors (5775235).

1103033213 is an equidigital number, since it uses as much as digits as its factorization.

1103033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775234.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1103033213 is about 33211.9438304957. The cubic root of 1103033213 is about 1033.2280705702.

Adding to 1103033213 its reverse (3123303011), we get a palindrome (4226336224).

The spelling of 1103033213 in words is "one billion, one hundred three million, thirty-three thousand, two hundred thirteen".