3133331212 has 24 divisors (see below), whose sum is σ = 5989842432. Its totient is φ = 1422330000.

The previous prime is 3133331171. The next prime is 3133331237. The reversal of 3133331212 is 2121333313.

3133331212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14368 + ... + 80455.

It is an arithmetic number, because the mean of its divisors is an integer number (249576768).

Almost surely, 2^3133331212 is an apocalyptic number.

It is an amenable number.

3133331212 is a deficient number, since it is larger than the sum of its proper divisors (2856511220).

3133331212 is a wasteful number, since it uses less digits than its factorization.

3133331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95589 (or 95587 counting only the distinct ones).

The product of its digits is 972, while the sum is 22.

The square root of 3133331212 is about 55976.1664639514. The cubic root of 3133331212 is about 1463.3069488563.

Adding to 3133331212 its reverse (2121333313), we get a palindrome (5254664525).

The spelling of 3133331212 in words is "three billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred twelve".