3131444212 has 36 divisors (see below), whose sum is σ = 6042190980. Its totient is φ = 1411627392.

The previous prime is 3131444189. The next prime is 3131444297. The reversal of 3131444212 is 2124441313.

It can be written as a sum of positive squares in 2 ways, for example, as 1953993616 + 1177450596 = 44204^2 + 34314^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 79864 + ... + 112432.

Almost surely, 2^3131444212 is an apocalyptic number.

It is an amenable number.

3131444212 is a deficient number, since it is larger than the sum of its proper divisors (2910746768).

3131444212 is a wasteful number, since it uses less digits than its factorization.

3131444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32672 (or 32627 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 3131444212 is about 55959.3085375436. The cubic root of 3131444212 is about 1463.0131385822.

Adding to 3131444212 its reverse (2124441313), we get a palindrome (5255885525).

The spelling of 3131444212 in words is "three billion, one hundred thirty-one million, four hundred forty-four thousand, two hundred twelve".