13215211131324 has 24 divisors (see below), whose sum is σ = 31269795355008. Its totient is φ = 4343027132080.

The previous prime is 13215211131323. The next prime is 13215211131359. The reversal of 13215211131324 is 42313111251231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13215211131291 and 13215211131300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215211131323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7755404742 + ... + 7755406445.

It is an arithmetic number, because the mean of its divisors is an integer number (1302908139792).

Almost surely, 2^{13215211131324} is an apocalyptic number.

It is an amenable number.

13215211131324 is an abundant number, since it is smaller than the sum of its proper divisors (18054584223684).

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

13215211131324 is a wasteful number, since it uses less digits than its factorization.

13215211131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15510811265 (or 15510811263 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

Adding to 13215211131324 its reverse (42313111251231), we get a palindrome (55528322382555).

The spelling of 13215211131324 in words is "thirteen trillion, two hundred fifteen billion, two hundred eleven million, one hundred thirty-one thousand, three hundred twenty-four".