1321443310341 has 32 divisors (see below), whose sum is σ = 2197834011648. Its totient is φ = 686104986240.

The previous prime is 1321443310303. The next prime is 1321443310373. The reversal of 1321443310341 is 1430133441231.

It is not a de Polignac number, because 1321443310341 - 2⁹ = 1321443309829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1321443310299 and 1321443310308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321443310741) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1053271 + ... + 1937076.

It is an arithmetic number, because the mean of its divisors is an integer number (68682312864).

Almost surely, 2^{1321443310341} is an apocalyptic number.

1321443310341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1321443310341 is a deficient number, since it is larger than the sum of its proper divisors (876390701307).

1321443310341 is a wasteful number, since it uses less digits than its factorization.

1321443310341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992281.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1321443310341 its reverse (1430133441231), we get a palindrome (2751576751572).

The spelling of 1321443310341 in words is "one trillion, three hundred twenty-one billion, four hundred forty-three million, three hundred ten thousand, three hundred forty-one".