4311086820 has 48 divisors (see below), whose sum is σ = 12397293888. Its totient is φ = 1118551680.

The previous prime is 4311086809. The next prime is 4311086861. The reversal of 4311086820 is 286801134.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 968746 + ... + 973185.

It is an arithmetic number, because the mean of its divisors is an integer number (258276956).

Almost surely, 2^4311086820 is an apocalyptic number.

It is an amenable number.

4311086820 is an abundant number, since it is smaller than the sum of its proper divisors (8086207068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4311086820 is a wasteful number, since it uses less digits than its factorization.

4311086820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941980 (or 1941978 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 4311086820 is about 65658.8670325646. The cubic root of 4311086820 is about 1627.5297018418.

Adding to 4311086820 its reverse (286801134), we get a palindrome (4597887954).

The spelling of 4311086820 in words is "four billion, three hundred eleven million, eighty-six thousand, eight hundred twenty".