13321230334402 has 4 divisors (see below), whose sum is σ = 19981845501606. Its totient is φ = 6660615167200.

The previous prime is 13321230334393. The next prime is 13321230334457. The reversal of 13321230334402 is 20443303212331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13287781948081 + 33448386321 = 3645241^2 + 182889^2 .

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 as a sum of consecutive naturals, namely, 3330307583599 + ... + 3330307583602.

Almost surely, 2^{13321230334402} is an apocalyptic number.

13321230334402 is a deficient number, since it is larger than the sum of its proper divisors (6660615167204).

13321230334402 is an equidigital number, since it uses as much as digits as its factorization.

13321230334402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660615167203.

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

Adding to 13321230334402 its reverse (20443303212331), we get a palindrome (33764533546733).

The spelling of 13321230334402 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty million, three hundred thirty-four thousand, four hundred two".