2131001333 has 8 divisors (see below), whose sum is σ = 2136857688. Its totient is φ = 2125154304.

The previous prime is 2131001321. The next prime is 2131001413. The reversal of 2131001333 is 3331001312.

It can be written as a sum of positive squares in 4 ways, for example, as 347375044 + 1783626289 = 18638^2 + 42233^2 .

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 2131001333 - 2⁶ = 2131001269 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 (2131901333) 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, 734141 + ... + 737037.

It is an arithmetic number, because the mean of its divisors is an integer number (267107211).

Almost surely, 2^2131001333 is an apocalyptic number.

It is an amenable number.

2131001333 is a deficient number, since it is larger than the sum of its proper divisors (5856355).

2131001333 is a wasteful number, since it uses less digits than its factorization.

2131001333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2131001333 is about 46162.7699883792. The cubic root of 2131001333 is about 1286.8499414609.

Adding to 2131001333 its reverse (3331001312), we get a palindrome (5462002645).

The spelling of 2131001333 in words is "two billion, one hundred thirty-one million, one thousand, three hundred thirty-three".