311011300212 has 48 divisors (see below), whose sum is σ = 762772332672. Its totient is φ = 98439193600.

The previous prime is 311011300169. The next prime is 311011300231. The reversal of 311011300212 is 212003110113.

It is a happy number.

It is a super-3 number, since 3×311011300212³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311011300191 and 311011300200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074789 + ... + 4150412.

It is an arithmetic number, because the mean of its divisors is an integer number (15891090264).

Almost surely, 2^311011300212 is an apocalyptic number.

It is an amenable number.

311011300212 is an abundant number, since it is smaller than the sum of its proper divisors (451761032460).

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

311011300212 is a wasteful number, since it uses less digits than its factorization.

311011300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8225368 (or 8225366 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 311011300212 its reverse (212003110113), we get a palindrome (523014410325).

The spelling of 311011300212 in words is "three hundred eleven billion, eleven million, three hundred thousand, two hundred twelve".