4311031220111 has 48 divisors (see below), whose sum is σ = 5559400476672. Its totient is φ = 3270730890240.

The previous prime is 4311031220021. The next prime is 4311031220183. The reversal of 4311031220111 is 1110221301134.

4311031220111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4311031220111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311031228111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7402586 + ... + 7963688.

It is an arithmetic number, because the mean of its divisors is an integer number (115820843264).

Almost surely, 2^{4311031220111} is an apocalyptic number.

4311031220111 is a deficient number, since it is larger than the sum of its proper divisors (1248369256561).

4311031220111 is a wasteful number, since it uses less digits than its factorization.

4311031220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561372 (or 561361 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 4311031220111 its reverse (1110221301134), we get a palindrome (5421252521245).

The spelling of 4311031220111 in words is "four trillion, three hundred eleven billion, thirty-one million, two hundred twenty thousand, one hundred eleven".