13213244013530 has 32 divisors (see below), whose sum is σ = 25946812589760. Its totient is φ = 4804666715520.

The previous prime is 13213244013511. The next prime is 13213244013617. The reversal of 13213244013530 is 3531044231231.

It is a super-2 number, since 2×13213244013530² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1721486 + ... + 5421254.

It is an arithmetic number, because the mean of its divisors is an integer number (810837893430).

Almost surely, 2^{13213244013530} is an apocalyptic number.

13213244013530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13213244013530 is a deficient number, since it is larger than the sum of its proper divisors (12733568576230).

13213244013530 is a wasteful number, since it uses less digits than its factorization.

13213244013530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732254.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 13213244013530 its reverse (3531044231231), we get a palindrome (16744288244761).

The spelling of 13213244013530 in words is "thirteen trillion, two hundred thirteen billion, two hundred forty-four million, thirteen thousand, five hundred thirty".