13000031012 has 24 divisors (see below), whose sum is σ = 23189011776. Its totient is φ = 6374702048.

The previous prime is 13000030973. The next prime is 13000031027. The reversal of 13000031012 is 21013000031.

13000031012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13000030984 and 13000031002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553043 + ... + 576069.

It is an arithmetic number, because the mean of its divisors is an integer number (966208824).

Almost surely, 2^13000031012 is an apocalyptic number.

It is an amenable number.

13000031012 is a deficient number, since it is larger than the sum of its proper divisors (10188980764).

13000031012 is a wasteful number, since it uses less digits than its factorization.

13000031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747 (or 25745 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 13000031012 its reverse (21013000031), we get a palindrome (34013031043).

The spelling of 13000031012 in words is "thirteen billion, thirty-one thousand, twelve".