13321201031321 has 8 divisors (see below), whose sum is σ = 13427096493888. Its totient is φ = 13215369310000.

The previous prime is 13321201031311. The next prime is 13321201031401. The reversal of 13321201031321 is 12313010212331.

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

It is a cyclic number.

It is not a de Polignac number, because 13321201031321 - 2³⁴ = 13304021162137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321201031311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15515630 + ... + 16351671.

It is an arithmetic number, because the mean of its divisors is an integer number (1678387061736).

Almost surely, 2^{13321201031321} is an apocalyptic number.

It is an amenable number.

13321201031321 is a deficient number, since it is larger than the sum of its proper divisors (105895462567).

13321201031321 is a wasteful number, since it uses less digits than its factorization.

13321201031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31870623.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13321201031321 its reverse (12313010212331), we get a palindrome (25634211243652).

The spelling of 13321201031321 in words is "thirteen trillion, three hundred twenty-one billion, two hundred one million, thirty-one thousand, three hundred twenty-one".