1343204220991 has 2 divisors, whose sum is σ = 1343204220992. Its totient is φ = 1343204220990.

The previous prime is 1343204220979. The next prime is 1343204221087. The reversal of 1343204220991 is 1990224023431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343204220991 - 2¹⁵ = 1343204188223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343204224991) 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 as a sum of consecutive naturals, namely, 671602110495 + 671602110496.

It is an arithmetic number, because the mean of its divisors is an integer number (671602110496).

Almost surely, 2^{1343204220991} is an apocalyptic number.

1343204220991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343204220991 is an equidigital number, since it uses as much as digits as its factorization.

1343204220991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 1343204220991 in words is "one trillion, three hundred forty-three billion, two hundred four million, two hundred twenty thousand, nine hundred ninety-one".