1321444215334 has 8 divisors (see below), whose sum is σ = 1984962046320. Its totient is φ = 659790199896.

The previous prime is 1321444215313. The next prime is 1321444215359. The reversal of 1321444215334 is 4335124441231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1321444215293 and 1321444215302.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 465952114 + ... + 465954949.

It is an arithmetic number, because the mean of its divisors is an integer number (248120255790).

Almost surely, 2^{1321444215334} is an apocalyptic number.

1321444215334 is a deficient number, since it is larger than the sum of its proper divisors (663517830986).

1321444215334 is an equidigital number, since it uses as much as digits as its factorization.

1321444215334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931907774.

The product of its digits is 138240, while the sum is 37.

Adding to 1321444215334 its reverse (4335124441231), we get a palindrome (5656568656565).

The spelling of 1321444215334 in words is "one trillion, three hundred twenty-one billion, four hundred forty-four million, two hundred fifteen thousand, three hundred thirty-four".