13321303340242 has 16 divisors (see below), whose sum is σ = 20127382430400. Its totient is φ = 6612183827280.

The previous prime is 13321303340221. The next prime is 13321303340251. The reversal of 13321303340242 is 24204330312331.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370884 + ... + 5340592.

It is an arithmetic number, because the mean of its divisors is an integer number (1257961401900).

Almost surely, 2^{13321303340242} is an apocalyptic number.

13321303340242 is a deficient number, since it is larger than the sum of its proper divisors (6806079090158).

13321303340242 is a wasteful number, since it uses less digits than its factorization.

13321303340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981921.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 13321303340242 its reverse (24204330312331), we get a palindrome (37525633652573).

The spelling of 13321303340242 in words is "thirteen trillion, three hundred twenty-one billion, three hundred three million, three hundred forty thousand, two hundred forty-two".