1313031323312 has 40 divisors (see below), whose sum is σ = 2571420586704. Its totient is φ = 649461141504.

The previous prime is 1313031323297. The next prime is 1313031323323. The reversal of 1313031323312 is 2133231303131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251288 + ... + 1639880.

Almost surely, 2^{1313031323312} is an apocalyptic number.

It is an amenable number.

1313031323312 is a deficient number, since it is larger than the sum of its proper divisors (1258389263392).

1313031323312 is a wasteful number, since it uses less digits than its factorization.

1313031323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389237 (or 1389231 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1313031323312 its reverse (2133231303131), we get a palindrome (3446262626443).

The spelling of 1313031323312 in words is "one trillion, three hundred thirteen billion, thirty-one million, three hundred twenty-three thousand, three hundred twelve".