13130304500 has 24 divisors (see below), whose sum is σ = 28676586120. Its totient is φ = 5252121600.

The previous prime is 13130304497. The next prime is 13130304553. The reversal of 13130304500 is 540303131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4174710544 + 8955593956 = 64612^2 + 94634^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 13129805 + ... + 13130804.

It is an arithmetic number, because the mean of its divisors is an integer number (1194857755).

Almost surely, 2^13130304500 is an apocalyptic number.

13130304500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130304500 is an abundant number, since it is smaller than the sum of its proper divisors (15546281620).

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

13130304500 is a wasteful number, since it uses less digits than its factorization.

13130304500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26260628 (or 26260616 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 13130304500 its reverse (540303131), we get a palindrome (13670607631).

The spelling of 13130304500 in words is "thirteen billion, one hundred thirty million, three hundred four thousand, five hundred".