3031131212 has 12 divisors (see below), whose sum is σ = 5616507960. Its totient is φ = 1426414656.

The previous prime is 3031131163. The next prime is 3031131217. The reversal of 3031131212 is 2121311303.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (3031131217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22287662 + ... + 22287797.

It is an arithmetic number, because the mean of its divisors is an integer number (468042330).

Almost surely, 2^3031131212 is an apocalyptic number.

It is an amenable number.

3031131212 is a deficient number, since it is larger than the sum of its proper divisors (2585376748).

3031131212 is a wasteful number, since it uses less digits than its factorization.

3031131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44575480 (or 44575478 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3031131212 is about 55055.7100762491. The cubic root of 3031131212 is about 1447.2211880532.

Adding to 3031131212 its reverse (2121311303), we get a palindrome (5152442515).

The spelling of 3031131212 in words is "three billion, thirty-one million, one hundred thirty-one thousand, two hundred twelve".