1341401344321 has 2 divisors, whose sum is σ = 1341401344322. Its totient is φ = 1341401344320.

The previous prime is 1341401344303. The next prime is 1341401344457. The reversal of 1341401344321 is 1234431041431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1336393800625 + 5007543696 = 1156025^2 + 70764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341401344321 - 2⁹ = 1341401343809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1341401341321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670700672160 + 670700672161.

It is an arithmetic number, because the mean of its divisors is an integer number (670700672161).

Almost surely, 2^{1341401344321} is an apocalyptic number.

It is an amenable number.

1341401344321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341401344321 is an equidigital number, since it uses as much as digits as its factorization.

1341401344321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1341401344321 its reverse (1234431041431), we get a palindrome (2575832385752).

The spelling of 1341401344321 in words is "one trillion, three hundred forty-one billion, four hundred one million, three hundred forty-four thousand, three hundred twenty-one".