1341342400321 has 16 divisors (see below), whose sum is σ = 1673105754240. Its totient is φ = 1044712644480.

The previous prime is 1341342400319. The next prime is 1341342400337. The reversal of 1341342400321 is 1230042431431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1341342400321 - 2¹ = 1341342400319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1341342400321.

It is not an unprimeable number, because it can be changed into a prime (1341342400621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3911266 + ... + 4240363.

It is an arithmetic number, because the mean of its divisors is an integer number (104569109640).

Almost surely, 2^{1341342400321} is an apocalyptic number.

1341342400321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1341342400321 is a deficient number, since it is larger than the sum of its proper divisors (331763353919).

1341342400321 is a wasteful number, since it uses less digits than its factorization.

1341342400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153784.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1341342400321 its reverse (1230042431431), we get a palindrome (2571384831752).

The spelling of 1341342400321 in words is "one trillion, three hundred forty-one billion, three hundred forty-two million, four hundred thousand, three hundred twenty-one".