2731384213 has 2 divisors, whose sum is σ = 2731384214. Its totient is φ = 2731384212.

The previous prime is 2731384181. The next prime is 2731384283. The reversal of 2731384213 is 3124831372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2648337444 + 83046769 = 51462^2 + 9113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731384213 - 2⁵ = 2731384181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2731384283) 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 as a sum of consecutive naturals, namely, 1365692106 + 1365692107.

It is an arithmetic number, because the mean of its divisors is an integer number (1365692107).

Almost surely, 2^2731384213 is an apocalyptic number.

It is an amenable number.

2731384213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731384213 is an equidigital number, since it uses as much as digits as its factorization.

2731384213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 2731384213 is about 52262.6464408376. The cubic root of 2731384213 is about 1397.8511614613.

The spelling of 2731384213 in words is "two billion, seven hundred thirty-one million, three hundred eighty-four thousand, two hundred thirteen".