1333131011 has 4 divisors (see below), whose sum is σ = 1333244112. Its totient is φ = 1333017912.

The previous prime is 1333130999. The next prime is 1333131061. The reversal of 1333131011 is 1101313331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1101313331 = 197 ⋅5590423.

It is a cyclic number.

It is not a de Polignac number, because 1333131011 - 2³⁰ = 259389187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1333131061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36500 + ... + 63233.

It is an arithmetic number, because the mean of its divisors is an integer number (333311028).

Almost surely, 2^1333131011 is an apocalyptic number.

1333131011 is a deficient number, since it is larger than the sum of its proper divisors (113101).

1333131011 is an equidigital number, since it uses as much as digits as its factorization.

1333131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113100.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1333131011 is about 36512.0666492599. The cubic root of 1333131011 is about 1100.5867423466.

Adding to 1333131011 its reverse (1101313331), we get a palindrome (2434444342).

The spelling of 1333131011 in words is "one billion, three hundred thirty-three million, one hundred thirty-one thousand, eleven".