13313031111112 has 32 divisors (see below), whose sum is σ = 25154370675000. Its totient is φ = 6605287492608.

The previous prime is 13313031111109. The next prime is 13313031111113. The reversal of 13313031111112 is 21111113031331.

13313031111112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11994543862596 + 1318487248516 = 3463314^2 + 1148254^2 .

It is not an unprimeable number, because it can be changed into a prime (13313031111113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331787 + ... + 6737242.

Almost surely, 2^{13313031111112} is an apocalyptic number.

It is an amenable number.

13313031111112 is a deficient number, since it is larger than the sum of its proper divisors (11841339563888).

13313031111112 is a wasteful number, since it uses less digits than its factorization.

13313031111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070193 (or 11070189 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 13313031111112 its reverse (21111113031331), we get a palindrome (34424144142443).

The spelling of 13313031111112 in words is "thirteen trillion, three hundred thirteen billion, thirty-one million, one hundred eleven thousand, one hundred twelve".