13031333321201 has 16 divisors (see below), whose sum is σ = 14087128258896. Its totient is φ = 11983230775296.

The previous prime is 13031333321197. The next prime is 13031333321221. The reversal of 13031333321201 is 10212333313031.

It can be written as a sum of positive squares in 8 ways, for example, as 2441671882225 + 10589661438976 = 1562585^2 + 3254176^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031333321201 - 2² = 13031333321197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031333321221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3365951 + ... + 6114923.

It is an arithmetic number, because the mean of its divisors is an integer number (880445516181).

Almost surely, 2^{13031333321201} is an apocalyptic number.

It is an amenable number.

13031333321201 is a deficient number, since it is larger than the sum of its proper divisors (1055794937695).

13031333321201 is a wasteful number, since it uses less digits than its factorization.

13031333321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750372.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 13031333321201 its reverse (10212333313031), we get a palindrome (23243666634232).

The spelling of 13031333321201 in words is "thirteen trillion, thirty-one billion, three hundred thirty-three million, three hundred twenty-one thousand, two hundred one".