6311379213 has 24 divisors (see below), whose sum is σ = 9280119576. Its totient is φ = 4132252800.

The previous prime is 6311379181. The next prime is 6311379247. The reversal of 6311379213 is 3129731136.

6311379213 is a `hidden beast` number, since 63 + 11 + 379 + 213 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3049027524 + 3262351689 = 55218^2 + 57117^2 .

It is not a de Polignac number, because 6311379213 - 2⁵ = 6311379181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311379713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363183 + ... + 380163.

It is an arithmetic number, because the mean of its divisors is an integer number (386671649).

Almost surely, 2^6311379213 is an apocalyptic number.

It is an amenable number.

6311379213 is a deficient number, since it is larger than the sum of its proper divisors (2968740363).

6311379213 is a wasteful number, since it uses less digits than its factorization.

6311379213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17725 (or 17722 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 6311379213 is about 79444.1892966377. The cubic root of 6311379213 is about 1848.0260623819.

The spelling of 6311379213 in words is "six billion, three hundred eleven million, three hundred seventy-nine thousand, two hundred thirteen".