13031412112 has 40 divisors (see below), whose sum is σ = 25412357880. Its totient is φ = 6473456640.

The previous prime is 13031412109. The next prime is 13031412157. The reversal of 13031412112 is 21121413031.

It can be written as a sum of positive squares in 4 ways, for example, as 1140818176 + 11890593936 = 33776^2 + 109044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13031412112.

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, 4947948 + ... + 4950580.

It is an arithmetic number, because the mean of its divisors is an integer number (635308947).

Almost surely, 2^13031412112 is an apocalyptic number.

It is an amenable number.

13031412112 is a deficient number, since it is larger than the sum of its proper divisors (12380945768).

13031412112 is a wasteful number, since it uses less digits than its factorization.

13031412112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531 (or 4525 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13031412112 its reverse (21121413031), we get a palindrome (34152825143).

The spelling of 13031412112 in words is "thirteen billion, thirty-one million, four hundred twelve thousand, one hundred twelve".