2131133311 has 16 divisors (see below), whose sum is σ = 2297700000. Its totient is φ = 1969394688.

The previous prime is 2131133299. The next prime is 2131133327. The reversal of 2131133311 is 1133311312.

It is a cyclic number.

It is not a de Polignac number, because 2131133311 - 2⁷ = 2131133183 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 (2131130311) 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 15 ways as a sum of consecutive naturals, for example, 280440 + ... + 287938.

It is an arithmetic number, because the mean of its divisors is an integer number (143606250).

Almost surely, 2^2131133311 is an apocalyptic number.

2131133311 is a deficient number, since it is larger than the sum of its proper divisors (166566689).

2131133311 is a wasteful number, since it uses less digits than its factorization.

2131133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818.

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

The square root of 2131133311 is about 46164.1994515230. The cubic root of 2131133311 is about 1286.8765068089.

Adding to 2131133311 its reverse (1133311312), we get a palindrome (3264444623).

The spelling of 2131133311 in words is "two billion, one hundred thirty-one million, one hundred thirty-three thousand, three hundred eleven".