2821331282 has 16 divisors (see below), whose sum is σ = 5276256192. Its totient is φ = 1099219920.

The previous prime is 2821331267. The next prime is 2821331333.

2821331282 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9160013 + ... + 9160320.

It is an arithmetic number, because the mean of its divisors is an integer number (329766012).

Almost surely, 2^2821331282 is an apocalyptic number.

2821331282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2821331282 is a deficient number, since it is larger than the sum of its proper divisors (2454924910).

2821331282 is a wasteful number, since it uses less digits than its factorization.

2821331282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18320353.

The product of its digits is 9216, while the sum is 32.

The square root of 2821331282 is about 53116.2054555858. The cubic root of 2821331282 is about 1413.0299315479.

It can be divided in two parts, 28213 and 31282, that added together give a palindrome (59495).

The spelling of 2821331282 in words is "two billion, eight hundred twenty-one million, three hundred thirty-one thousand, two hundred eighty-two".