13130031444 has 12 divisors (see below), whose sum is σ = 30636740064. Its totient is φ = 4376677144.

The previous prime is 13130031401. The next prime is 13130031451. The reversal of 13130031444 is 44413003131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547084632 + ... + 547084655.

It is an arithmetic number, because the mean of its divisors is an integer number (2553061672).

Almost surely, 2^13130031444 is an apocalyptic number.

It is an amenable number.

13130031444 is an abundant number, since it is smaller than the sum of its proper divisors (17506708620).

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

13130031444 is a wasteful number, since it uses less digits than its factorization.

13130031444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094169294 (or 1094169292 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13130031444 its reverse (44413003131), we get a palindrome (57543034575).

The spelling of 13130031444 in words is "thirteen billion, one hundred thirty million, thirty-one thousand, four hundred forty-four".