13031020112 has 40 divisors (see below), whose sum is σ = 28062534240. Its totient is φ = 5811428480.

The previous prime is 13031020111. The next prime is 13031020117. The reversal of 13031020112 is 21102013031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031020111) 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, 689162 + ... + 707817.

It is an arithmetic number, because the mean of its divisors is an integer number (701563356).

Almost surely, 2^13031020112 is an apocalyptic number.

It is an amenable number.

13031020112 is an abundant number, since it is smaller than the sum of its proper divisors (15031514128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031020112 is a wasteful number, since it uses less digits than its factorization.

13031020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397051 (or 1397045 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13031020112 its reverse (21102013031), we get a palindrome (34133033143).

The spelling of 13031020112 in words is "thirteen billion, thirty-one million, twenty thousand, one hundred twelve".