3131133322012 has 24 divisors (see below), whose sum is σ = 5481337426880. Its totient is φ = 1565037028800.

The previous prime is 3131133322007. The next prime is 3131133322061. The reversal of 3131133322012 is 2102233311313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268139518 + ... + 268151194.

Almost surely, 2^{3131133322012} is an apocalyptic number.

It is an amenable number.

3131133322012 is a deficient number, since it is larger than the sum of its proper divisors (2350204104868).

3131133322012 is a wasteful number, since it uses less digits than its factorization.

3131133322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28621 (or 28619 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3131133322012 its reverse (2102233311313), we get a palindrome (5233366633325).

The spelling of 3131133322012 in words is "three trillion, one hundred thirty-one billion, one hundred thirty-three million, three hundred twenty-two thousand, twelve".