311120120 has 32 divisors (see below), whose sum is σ = 724161600. Its totient is φ = 120156288.

The previous prime is 311120113. The next prime is 311120129. The reversal of 311120120 is 21021113.

311120120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132944 + ... + 135263.

It is an arithmetic number, because the mean of its divisors is an integer number (22630050).

Almost surely, 2^311120120 is an apocalyptic number.

It is an amenable number.

311120120 is an abundant number, since it is smaller than the sum of its proper divisors (413041480).

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

311120120 is a wasteful number, since it uses less digits than its factorization.

311120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268247 (or 268243 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 311120120 is about 17638.5974499108. The cubic root of 311120120 is about 677.6041115767.

Adding to 311120120 its reverse (21021113), we get a palindrome (332141233).

The spelling of 311120120 in words is "three hundred eleven million, one hundred twenty thousand, one hundred twenty".