3130231212 has 36 divisors (see below), whose sum is σ = 7914226320. Its totient is φ = 1043186592.

The previous prime is 3130231189. The next prime is 3130231229. The reversal of 3130231212 is 2121320313.

3130231212 is digitally balanced in base 2, because in such base 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325489 + ... + 334967.

It is an arithmetic number, because the mean of its divisors is an integer number (219839620).

Almost surely, 2^3130231212 is an apocalyptic number.

It is an amenable number.

3130231212 is an abundant number, since it is smaller than the sum of its proper divisors (4783995108).

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

3130231212 is a wasteful number, since it uses less digits than its factorization.

3130231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18662 (or 18657 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3130231212 is about 55948.4692551995. The cubic root of 3130231212 is about 1462.8242093419.

Adding to 3130231212 its reverse (2121320313), we get a palindrome (5251551525).

The spelling of 3130231212 in words is "three billion, one hundred thirty million, two hundred thirty-one thousand, two hundred twelve".