2831868213 has 4 divisors (see below), whose sum is σ = 3775824288. Its totient is φ = 1887912140.

The previous prime is 2831868191. The next prime is 2831868217. The reversal of 2831868213 is 3128681382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2831868213 - 2⁵ = 2831868181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831868217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471978033 + ... + 471978038.

It is an arithmetic number, because the mean of its divisors is an integer number (943956072).

Almost surely, 2^2831868213 is an apocalyptic number.

It is an amenable number.

2831868213 is a deficient number, since it is larger than the sum of its proper divisors (943956075).

2831868213 is an equidigital number, since it uses as much as digits as its factorization.

2831868213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943956074.

The product of its digits is 110592, while the sum is 42.

The square root of 2831868213 is about 53215.3005535062. The cubic root of 2831868213 is about 1414.7868446582.

The spelling of 2831868213 in words is "two billion, eight hundred thirty-one million, eight hundred sixty-eight thousand, two hundred thirteen".