1343143032521 has 2 divisors, whose sum is σ = 1343143032522. Its totient is φ = 1343143032520.

The previous prime is 1343143032487. The next prime is 1343143032529. The reversal of 1343143032521 is 1252303413431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 809980200121 + 533162832400 = 899989^2 + 730180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343143032521 - 2³⁰ = 1342069290697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343143032529) 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 as a sum of consecutive naturals, namely, 671571516260 + 671571516261.

It is an arithmetic number, because the mean of its divisors is an integer number (671571516261).

Almost surely, 2^{1343143032521} is an apocalyptic number.

It is an amenable number.

1343143032521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343143032521 is an equidigital number, since it uses as much as digits as its factorization.

1343143032521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 1343143032521 its reverse (1252303413431), we get a palindrome (2595446445952).

The spelling of 1343143032521 in words is "one trillion, three hundred forty-three billion, one hundred forty-three million, thirty-two thousand, five hundred twenty-one".