13031332211312 has 20 divisors (see below), whose sum is σ = 25288219184016. Its totient is φ = 6505340163840.

The previous prime is 13031332211269. The next prime is 13031332211329. The reversal of 13031332211312 is 21311223313031.

It is a super-2 number, since 2×13031332211312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645360953 + ... + 645381144.

Almost surely, 2^{13031332211312} is an apocalyptic number.

It is an amenable number.

13031332211312 is a deficient number, since it is larger than the sum of its proper divisors (12256886972704).

13031332211312 is a wasteful number, since it uses less digits than its factorization.

13031332211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290742736 (or 1290742730 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13031332211312 its reverse (21311223313031), we get a palindrome (34342555524343).

The spelling of 13031332211312 in words is "thirteen trillion, thirty-one billion, three hundred thirty-two million, two hundred eleven thousand, three hundred twelve".