3131331133 has 12 divisors (see below), whose sum is σ = 3856838652. Its totient is φ = 2526115200.

The previous prime is 3131331103. The next prime is 3131331191. The reversal of 3131331133 is 3311331313.

3131331133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2208812004 + 922519129 = 46998^2 + 30373^2 .

It is not a de Polignac number, because 3131331133 - 2⁵ = 3131331101 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 (3131331103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1878718 + ... + 1880383.

It is an arithmetic number, because the mean of its divisors is an integer number (321403221).

Almost surely, 2^3131331133 is an apocalyptic number.

It is an amenable number.

3131331133 is a deficient number, since it is larger than the sum of its proper divisors (725507519).

3131331133 is a wasteful number, since it uses less digits than its factorization.

3131331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759132 (or 3759125 counting only the distinct ones).

The product of its digits is 729, while the sum is 22.

The square root of 3131331133 is about 55958.2981603265. The cubic root of 3131331133 is about 1462.9955281717.

Adding to 3131331133 its reverse (3311331313), we get a palindrome (6442662446).

The spelling of 3131331133 in words is "three billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty-three".