13130021044 has 12 divisors (see below), whose sum is σ = 26260042144. Its totient is φ = 5627151864.

The previous prime is 13130020957. The next prime is 13130021053. The reversal of 13130021044 is 44012003131.

13130021044 is an admirable number.

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, 234464634 + ... + 234464689.

Almost surely, 2^13130021044 is an apocalyptic number.

13130021044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13130021044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13130021044 is a wasteful number, since it uses less digits than its factorization.

13130021044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468929334 (or 468929332 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13130021044 its reverse (44012003131), we get a palindrome (57142024175).

The spelling of 13130021044 in words is "thirteen billion, one hundred thirty million, twenty-one thousand, forty-four".