2131113133 has 8 divisors (see below), whose sum is σ = 2153072952. Its totient is φ = 2109259776.

The previous prime is 2131113121. The next prime is 2131113221. The reversal of 2131113133 is 3313111312.

It can be written as a sum of positive squares in 4 ways, for example, as 113486409 + 2017626724 = 10653^2 + 44918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131113133 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 2131113133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131110133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13941 + ... + 66757.

It is an arithmetic number, because the mean of its divisors is an integer number (269134119).

Almost surely, 2^2131113133 is an apocalyptic number.

It is an amenable number.

2131113133 is a deficient number, since it is larger than the sum of its proper divisors (21959819).

2131113133 is a wasteful number, since it uses less digits than its factorization.

2131113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53231.

The product of its digits is 162, while the sum is 19.

The square root of 2131113133 is about 46163.9809050303. The cubic root of 2131113133 is about 1286.8724453273.

Adding to 2131113133 its reverse (3313111312), we get a palindrome (5444224445).

The spelling of 2131113133 in words is "two billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred thirty-three".