13431321201 has 32 divisors (see below), whose sum is σ = 19352374272. Its totient is φ = 8264773440.

The previous prime is 13431321199. The next prime is 13431321221. The reversal of 13431321201 is 10212313431.

It is not a de Polignac number, because 13431321201 - 2¹ = 13431321199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13431321221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218991 + ... + 273531.

It is an arithmetic number, because the mean of its divisors is an integer number (604761696).

Almost surely, 2^13431321201 is an apocalyptic number.

It is an amenable number.

13431321201 is a deficient number, since it is larger than the sum of its proper divisors (5921053071).

13431321201 is a wasteful number, since it uses less digits than its factorization.

13431321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54693.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13431321201 its reverse (10212313431), we get a palindrome (23643634632).

The spelling of 13431321201 in words is "thirteen billion, four hundred thirty-one million, three hundred twenty-one thousand, two hundred one".