1103430213 has 24 divisors (see below), whose sum is σ = 1673168640. Its totient is φ = 699814080.

The previous prime is 1103430191. The next prime is 1103430287. The reversal of 1103430213 is 3120343011.

1103430213 is a `hidden beast` number, since 110 + 343 + 0 + 213 = 666.

It is not a de Polignac number, because 1103430213 - 2¹⁰ = 1103429189 is a prime.

It is a super-2 number, since 2×1103430213² = 2435116469922450738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103430413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17056 + ... + 49977.

It is an arithmetic number, because the mean of its divisors is an integer number (69715360).

Almost surely, 2^1103430213 is an apocalyptic number.

It is an amenable number.

1103430213 is a deficient number, since it is larger than the sum of its proper divisors (569738427).

1103430213 is a wasteful number, since it uses less digits than its factorization.

1103430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67129 (or 67126 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103430213 is about 33217.9200583059. The cubic root of 1103430213 is about 1033.3520143576.

Adding to 1103430213 its reverse (3120343011), we get a palindrome (4223773224).

The spelling of 1103430213 in words is "one billion, one hundred three million, four hundred thirty thousand, two hundred thirteen".