1343135325321 has 24 divisors (see below), whose sum is σ = 2054511490824. Its totient is φ = 842626644480.

The previous prime is 1343135325319. The next prime is 1343135325361. The reversal of 1343135325321 is 1235235313431.

1343135325321 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 1 + 3 + 5 + 325 + 321 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 581503854096 + 761631471225 = 762564^2 + 872715^2 .

It is not a de Polignac number, because 1343135325321 - 2¹ = 1343135325319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343135325361) 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 23 ways as a sum of consecutive naturals, for example, 390195 + ... + 1684791.

It is an arithmetic number, because the mean of its divisors is an integer number (85604645451).

Almost surely, 2^{1343135325321} is an apocalyptic number.

It is an amenable number.

1343135325321 is a deficient number, since it is larger than the sum of its proper divisors (711376165503).

1343135325321 is a wasteful number, since it uses less digits than its factorization.

1343135325321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301401 (or 1301398 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The spelling of 1343135325321 in words is "one trillion, three hundred forty-three billion, one hundred thirty-five million, three hundred twenty-five thousand, three hundred twenty-one".