1321333351341 has 16 divisors (see below), whose sum is σ = 1792734543360. Its totient is φ = 865444000320.

The previous prime is 1321333351309. The next prime is 1321333351357. The reversal of 1321333351341 is 1431533331231.

It is a happy number.

It is not a de Polignac number, because 1321333351341 - 2⁵ = 1321333351309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321333311341) 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 15 ways as a sum of consecutive naturals, for example, 4025386 + ... + 4341243.

It is an arithmetic number, because the mean of its divisors is an integer number (112045908960).

Almost surely, 2^{1321333351341} is an apocalyptic number.

It is an amenable number.

1321333351341 is a deficient number, since it is larger than the sum of its proper divisors (471401192019).

1321333351341 is an equidigital number, since it uses as much as digits as its factorization.

1321333351341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367556.

The product of its digits is 29160, while the sum is 33.

Adding to 1321333351341 its reverse (1431533331231), we get a palindrome (2752866682572).

The spelling of 1321333351341 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-three million, three hundred fifty-one thousand, three hundred forty-one".