3131430212 has 12 divisors (see below), whose sum is σ = 5480712720. Its totient is φ = 1565512296.

The previous prime is 3131430191. The next prime is 3131430229. The reversal of 3131430212 is 2120341313.

3131430212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12818 + ... + 80169.

It is an arithmetic number, because the mean of its divisors is an integer number (456726060).

Almost surely, 2^3131430212 is an apocalyptic number.

It is an amenable number.

3131430212 is a deficient number, since it is larger than the sum of its proper divisors (2349282508).

3131430212 is a wasteful number, since it uses less digits than its factorization.

3131430212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101410 (or 101408 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3131430212 is about 55959.1834465086. The cubic root of 3131430212 is about 1463.0109583087.

Adding to 3131430212 its reverse (2120341313), we get a palindrome (5251771525).

The spelling of 3131430212 in words is "three billion, one hundred thirty-one million, four hundred thirty thousand, two hundred twelve".