1102013443 has 4 divisors (see below), whose sum is σ = 1102962168. Its totient is φ = 1101064720.

The previous prime is 1102013431. The next prime is 1102013447. The reversal of 1102013443 is 3443102011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3443102011 = 773 ⋅4454207.

It is a cyclic number.

It is not a de Polignac number, because 1102013443 - 2⁹ = 1102012931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102013443.

It is not an unprimeable number, because it can be changed into a prime (1102013447) 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 3 ways as a sum of consecutive naturals, for example, 472618 + ... + 474943.

It is an arithmetic number, because the mean of its divisors is an integer number (275740542).

Almost surely, 2^1102013443 is an apocalyptic number.

1102013443 is a deficient number, since it is larger than the sum of its proper divisors (948725).

1102013443 is an equidigital number, since it uses as much as digits as its factorization.

1102013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948724.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1102013443 is about 33196.5878216422. The cubic root of 1102013443 is about 1032.9095610124.

Adding to 1102013443 its reverse (3443102011), we get a palindrome (4545115454).

The spelling of 1102013443 in words is "one billion, one hundred two million, thirteen thousand, four hundred forty-three".