3111310212 has 12 divisors (see below), whose sum is σ = 7259723856. Its totient is φ = 1037103400.

The previous prime is 3111310201. The next prime is 3111310229. The reversal of 3111310212 is 2120131113.

It is a happy number.

3111310212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3111310191 and 3111310200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129637914 + ... + 129637937.

It is an arithmetic number, because the mean of its divisors is an integer number (604976988).

Almost surely, 2^3111310212 is an apocalyptic number.

It is an amenable number.

3111310212 is an abundant number, since it is smaller than the sum of its proper divisors (4148413644).

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

3111310212 is a wasteful number, since it uses less digits than its factorization.

3111310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259275858 (or 259275856 counting only the distinct ones).

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

The square root of 3111310212 is about 55779.1198568066. The cubic root of 3111310212 is about 1459.8708542800.

Adding to 3111310212 its reverse (2120131113), we get a palindrome (5231441325).

The spelling of 3111310212 in words is "three billion, one hundred eleven million, three hundred ten thousand, two hundred twelve".