13131130020 has 48 divisors (see below), whose sum is σ = 36789899328. Its totient is φ = 3499469440.

The previous prime is 13131129959. The next prime is 13131130037. The reversal of 13131130020 is 2003113131.

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

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, 31375 + ... + 165065.

It is an arithmetic number, because the mean of its divisors is an integer number (766456236).

Almost surely, 2^13131130020 is an apocalyptic number.

13131130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131130020 is an abundant number, since it is smaller than the sum of its proper divisors (23658769308).

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

13131130020 is a wasteful number, since it uses less digits than its factorization.

13131130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135340 (or 135338 counting only the distinct ones).

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

Adding to 13131130020 its reverse (2003113131), we get a palindrome (15134243151).

The spelling of 13131130020 in words is "thirteen billion, one hundred thirty-one million, one hundred thirty thousand, twenty".