3130111212 has 48 divisors (see below), whose sum is σ = 7482034560. Its totient is φ = 1017934848.

The previous prime is 3130111207. The next prime is 3130111223. The reversal of 3130111212 is 2121110313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3130111191 and 3130111200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522828 + ... + 528780.

It is an arithmetic number, because the mean of its divisors is an integer number (155875720).

Almost surely, 2^3130111212 is an apocalyptic number.

It is an amenable number.

3130111212 is an abundant number, since it is smaller than the sum of its proper divisors (4351923348).

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

3130111212 is a wasteful number, since it uses less digits than its factorization.

3130111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022 (or 7020 counting only the distinct ones).

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

The square root of 3130111212 is about 55947.3968295219. The cubic root of 3130111212 is about 1462.8055162448.

Adding to 3130111212 its reverse (2121110313), we get a palindrome (5251221525).

The spelling of 3130111212 in words is "three billion, one hundred thirty million, one hundred eleven thousand, two hundred twelve".