2131233311 has 8 divisors (see below), whose sum is σ = 2175728304. Its totient is φ = 2087046720.

The previous prime is 2131233301. The next prime is 2131233329. The reversal of 2131233311 is 1133321312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131233311 - 2¹⁰ = 2131232287 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 (2131233301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63110 + ... + 90803.

It is an arithmetic number, because the mean of its divisors is an integer number (271966038).

Almost surely, 2^2131233311 is an apocalyptic number.

2131233311 is a deficient number, since it is larger than the sum of its proper divisors (44494993).

2131233311 is a wasteful number, since it uses less digits than its factorization.

2131233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154201.

The product of its digits is 324, while the sum is 20.

The square root of 2131233311 is about 46165.2825291907. The cubic root of 2131233311 is about 1286.8966346969.

Adding to 2131233311 its reverse (1133321312), we get a palindrome (3264554623).

The spelling of 2131233311 in words is "two billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred eleven".