1321424043434 has 8 divisors (see below), whose sum is σ = 2162330252928. Its totient is φ = 600647292460.

The previous prime is 1321424043389. The next prime is 1321424043437. The reversal of 1321424043434 is 4343404241231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1321424043394 and 1321424043403.

It is not an unprimeable number, because it can be changed into a prime (1321424043437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30032364602 + ... + 30032364645.

It is an arithmetic number, because the mean of its divisors is an integer number (270291281616).

Almost surely, 2^{1321424043434} is an apocalyptic number.

1321424043434 is a deficient number, since it is larger than the sum of its proper divisors (840906209494).

1321424043434 is a wasteful number, since it uses less digits than its factorization.

1321424043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60064729260.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 1321424043434 its reverse (4343404241231), we get a palindrome (5664828284665).

The spelling of 1321424043434 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-four million, forty-three thousand, four hundred thirty-four".