2131310033 has 4 divisors (see below), whose sum is σ = 2134126260. Its totient is φ = 2128493808.

The previous prime is 2131310023. The next prime is 2131310053. The reversal of 2131310033 is 3300131312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1760054209 + 371255824 = 41953^2 + 19268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131310033 - 2⁶ = 2131309969 is a prime.

It is a super-2 number, since 2×2131310033² = 9084964913532922178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131309993 and 2131310020.

It is not an unprimeable number, because it can be changed into a prime (2131310023) 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 3 ways as a sum of consecutive naturals, for example, 1406978 + ... + 1408491.

It is an arithmetic number, because the mean of its divisors is an integer number (533531565).

Almost surely, 2^2131310033 is an apocalyptic number.

It is an amenable number.

2131310033 is a deficient number, since it is larger than the sum of its proper divisors (2816227).

2131310033 is an equidigital number, since it uses as much as digits as its factorization.

2131310033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816226.

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

The square root of 2131310033 is about 46166.1134708132. The cubic root of 2131310033 is about 1286.9120767883.

Adding to 2131310033 its reverse (3300131312), we get a palindrome (5431441345).

The spelling of 2131310033 in words is "two billion, one hundred thirty-one million, three hundred ten thousand, thirty-three".