13131030120 has 64 divisors (see below), whose sum is σ = 42423333120. Its totient is φ = 3232253184.

The previous prime is 13131030091. The next prime is 13131030139. The reversal of 13131030120 is 2103013131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13131030120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4207104 + ... + 4210223.

It is an arithmetic number, because the mean of its divisors is an integer number (662864580).

Almost surely, 2^13131030120 is an apocalyptic number.

13131030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131030120 is an abundant number, since it is smaller than the sum of its proper divisors (29292303000).

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

13131030120 is a wasteful number, since it uses less digits than its factorization.

13131030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417354 (or 8417350 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13131030120 its reverse (2103013131), we get a palindrome (15234043251).

The spelling of 13131030120 in words is "thirteen billion, one hundred thirty-one million, thirty thousand, one hundred twenty".