13020131444 has 24 divisors (see below), whose sum is σ = 24010072800. Its totient is φ = 6160842720.

The previous prime is 13020131419. The next prime is 13020131459. The reversal of 13020131444 is 44413102031.

It is a congruent number.

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, 19514 + ... + 162545.

It is an arithmetic number, because the mean of its divisors is an integer number (1000419700).

Almost surely, 2^13020131444 is an apocalyptic number.

It is an amenable number.

13020131444 is a deficient number, since it is larger than the sum of its proper divisors (10989941356).

13020131444 is a wasteful number, since it uses less digits than its factorization.

13020131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183023 (or 183021 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13020131444 its reverse (44413102031), we get a palindrome (57433233475).

The spelling of 13020131444 in words is "thirteen billion, twenty million, one hundred thirty-one thousand, four hundred forty-four".