13031103012 has 24 divisors (see below), whose sum is σ = 30442171200. Its totient is φ = 4338520416.

The previous prime is 13031102999. The next prime is 13031103023. The reversal of 13031103012 is 21030113031.

It is a junction number, because it is equal to n+sod(n) for n = 13031102982 and 13031103000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637087 + ... + 657222.

It is an arithmetic number, because the mean of its divisors is an integer number (1268423800).

Almost surely, 2^13031103012 is an apocalyptic number.

13031103012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13031103012 is an abundant number, since it is smaller than the sum of its proper divisors (17411068188).

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

13031103012 is a wasteful number, since it uses less digits than its factorization.

13031103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295155 (or 1295153 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13031103012 its reverse (21030113031), we get a palindrome (34061216043).

The spelling of 13031103012 in words is "thirteen billion, thirty-one million, one hundred three thousand, twelve".