2133400303 has 4 divisors (see below), whose sum is σ = 2137969080. Its totient is φ = 2128831528.

The previous prime is 2133400301. The next prime is 2133400333. The reversal of 2133400303 is 3030043312.

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

It is a cyclic number.

It is not a de Polignac number, because 2133400303 - 2¹ = 2133400301 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 (2133400301) 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, 2283688 + ... + 2284621.

It is an arithmetic number, because the mean of its divisors is an integer number (534492270).

Almost surely, 2^2133400303 is an apocalyptic number.

2133400303 is a deficient number, since it is larger than the sum of its proper divisors (4568777).

2133400303 is an equidigital number, since it uses as much as digits as its factorization.

2133400303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568776.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2133400303 is about 46188.7464973883. The cubic root of 2133400303 is about 1287.3326498545.

Adding to 2133400303 its reverse (3030043312), we get a palindrome (5163443615).

The spelling of 2133400303 in words is "two billion, one hundred thirty-three million, four hundred thousand, three hundred three".