1103323012133 has 4 divisors (see below), whose sum is σ = 1103338266828. Its totient is φ = 1103307757440.

The previous prime is 1103323012061. The next prime is 1103323012139. The reversal of 1103323012133 is 3312103233011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192981854209 + 910341157924 = 439297^2 + 954118^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103323012133 - 2³⁶ = 1034603535397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103323012099 and 1103323012108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103323012139) 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, 7518338 + ... + 7663683.

It is an arithmetic number, because the mean of its divisors is an integer number (275834566707).

Almost surely, 2^{1103323012133} is an apocalyptic number.

It is an amenable number.

1103323012133 is a deficient number, since it is larger than the sum of its proper divisors (15254695).

1103323012133 is an equidigital number, since it uses as much as digits as its factorization.

1103323012133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15254694.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1103323012133 its reverse (3312103233011), we get a palindrome (4415426245144).

The spelling of 1103323012133 in words is "one trillion, one hundred three billion, three hundred twenty-three million, twelve thousand, one hundred thirty-three".