13321162530 has 128 divisors (see below), whose sum is σ = 39070080000. Its totient is φ = 3209248512.

The previous prime is 13321162529. The next prime is 13321162537. The reversal of 13321162530 is 3526112331.

13321162530 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 1 + 1 + 625 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13321162494 and 13321162503.

It is not an unprimeable number, because it can be changed into a prime (13321162537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124596 + ... + 205344.

It is an arithmetic number, because the mean of its divisors is an integer number (305235000).

Almost surely, 2^13321162530 is an apocalyptic number.

13321162530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13321162530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19535040000).

13321162530 is an abundant number, since it is smaller than the sum of its proper divisors (25748917470).

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

13321162530 is a wasteful number, since it uses less digits than its factorization.

13321162530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80825 (or 80819 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 13321162530 its reverse (3526112331), we get a palindrome (16847274861).

The spelling of 13321162530 in words is "thirteen billion, three hundred twenty-one million, one hundred sixty-two thousand, five hundred thirty".