13031221321201 has 8 divisors (see below), whose sum is σ = 13100034486240. Its totient is φ = 12962421495552.

The previous prime is 13031221321189. The next prime is 13031221321213. The reversal of 13031221321201 is 10212312213031.

It is an interprime number because it is at equal distance from previous prime (13031221321189) and next prime (13031221321213).

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 13031221321201 - 2²⁷ = 13031087103473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031221321241) by changing a digit.

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, 1372855 + ... + 5286508.

It is an arithmetic number, because the mean of its divisors is an integer number (1637504310780).

Almost surely, 2^{13031221321201} is an apocalyptic number.

It is an amenable number.

13031221321201 is a deficient number, since it is larger than the sum of its proper divisors (68813165039).

13031221321201 is a wasteful number, since it uses less digits than its factorization.

13031221321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669695.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13031221321201 its reverse (10212312213031), we get a palindrome (23243533534232).

The spelling of 13031221321201 in words is "thirteen trillion, thirty-one billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred one".