311041930212 has 144 divisors (see below), whose sum is σ = 875731537408. Its totient is φ = 92438599680.

The previous prime is 311041930211. The next prime is 311041930219. The reversal of 311041930212 is 212039140113.

311041930212 is a `hidden beast` number, since 3 + 1 + 1 + 0 + 419 + 30 + 212 = 666.

It is not an unprimeable number, because it can be changed into a prime (311041930211) 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 47 ways as a sum of consecutive naturals, for example, 7567188 + ... + 7608180.

Almost surely, 2^311041930212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311041930212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437865768704).

311041930212 is an abundant number, since it is smaller than the sum of its proper divisors (564689607196).

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

311041930212 is a wasteful number, since it uses less digits than its factorization.

311041930212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41570 (or 41565 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 311041930212 in words is "three hundred eleven billion, forty-one million, nine hundred thirty thousand, two hundred twelve".