321224013103242 has 32 divisors (see below), whose sum is σ = 654173709113664. Its totient is φ = 105126808550400.

The previous prime is 321224013103229. The next prime is 321224013103277. The reversal of 321224013103242 is 242301310422123.

It is a happy number.

It is a super-2 number, since 2×321224013103242² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802049559 + ... + 802449962.

It is an arithmetic number, because the mean of its divisors is an integer number (20442928409802).

Almost surely, 2^{321224013103242} is an apocalyptic number.

321224013103242 is an abundant number, since it is smaller than the sum of its proper divisors (332949696010422).

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

321224013103242 is a wasteful number, since it uses less digits than its factorization.

321224013103242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604500134.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 321224013103242 its reverse (242301310422123), we get a palindrome (563525323525365).

The spelling of 321224013103242 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, thirteen million, one hundred three thousand, two hundred forty-two".