13210322231 has 4 divisors (see below), whose sum is σ = 13210605864. Its totient is φ = 13210038600.

The previous prime is 13210322227. The next prime is 13210322317. The reversal of 13210322231 is 13222301231.

13210322231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13222301231 = 9491 ⋅1393141.

It is a cyclic number.

It is not a de Polignac number, because 13210322231 - 2² = 13210322227 is a prime.

It is a super-2 number, since 2×13210322231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210322201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53705 + ... + 171186.

It is an arithmetic number, because the mean of its divisors is an integer number (3302651466).

Almost surely, 2^13210322231 is an apocalyptic number.

13210322231 is a deficient number, since it is larger than the sum of its proper divisors (283633).

13210322231 is an equidigital number, since it uses as much as digits as its factorization.

13210322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283632.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13210322231 its reverse (13222301231), we get a palindrome (26432623462).

The spelling of 13210322231 in words is "thirteen billion, two hundred ten million, three hundred twenty-two thousand, two hundred thirty-one".