13131120004 has 24 divisors (see below), whose sum is σ = 23866174080. Its totient is φ = 6316948896.

The previous prime is 13131119983. The next prime is 13131120031. The reversal of 13131120004 is 40002113131.

It is a self number, because there is not a number n which added to its sum of digits gives 13131120004.

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, 580827 + ... + 603010.

It is an arithmetic number, because the mean of its divisors is an integer number (994423920).

Almost surely, 2^13131120004 is an apocalyptic number.

It is an amenable number.

13131120004 is a deficient number, since it is larger than the sum of its proper divisors (10735054076).

13131120004 is a wasteful number, since it uses less digits than its factorization.

13131120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183947 (or 1183945 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13131120004 its reverse (40002113131), we get a palindrome (53133233135).

The spelling of 13131120004 in words is "thirteen billion, one hundred thirty-one million, one hundred twenty thousand, four".