311120002012 has 48 divisors (see below), whose sum is σ = 600747840000. Its totient is φ = 140434439040.

The previous prime is 311120002009. The next prime is 311120002019. The reversal of 311120002012 is 210200021113.

It is a junction number, because it is equal to n+sod(n) for n = 311120001983 and 311120002001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120002019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027012 + ... + 1294987.

It is an arithmetic number, because the mean of its divisors is an integer number (12515580000).

Almost surely, 2^311120002012 is an apocalyptic number.

It is an amenable number.

311120002012 is a deficient number, since it is larger than the sum of its proper divisors (289627837988).

311120002012 is a wasteful number, since it uses less digits than its factorization.

311120002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322106 (or 2322104 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 311120002012 its reverse (210200021113), we get a palindrome (521320023125).

The spelling of 311120002012 in words is "three hundred eleven billion, one hundred twenty million, two thousand, twelve".