2731211828 has 6 divisors (see below), whose sum is σ = 4779620706. Its totient is φ = 1365605912.

The previous prime is 2731211827. The next prime is 2731211839. The reversal of 2731211828 is 8281121372.

2731211828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2355937444 + 375274384 = 48538^2 + 19372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731211827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341401475 + ... + 341401482.

It is an arithmetic number, because the mean of its divisors is an integer number (796603451).

Almost surely, 2^2731211828 is an apocalyptic number.

It is an amenable number.

2731211828 is a deficient number, since it is larger than the sum of its proper divisors (2048408878).

2731211828 is a wasteful number, since it uses less digits than its factorization.

2731211828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682802961 (or 682802959 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 2731211828 is about 52260.9971967623. The cubic root of 2731211828 is about 1397.8217534612.

The spelling of 2731211828 in words is "two billion, seven hundred thirty-one million, two hundred eleven thousand, eight hundred twenty-eight".