13313322332231 has 4 divisors (see below), whose sum is σ = 13313347589352. Its totient is φ = 13313297075112.

The previous prime is 13313322332159. The next prime is 13313322332237. The reversal of 13313322332231 is 13223322331331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13313322332231 is a prime.

It is a super-2 number, since 2×13313322332231² (a number of 27 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 (13313322332237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11820665 + ... + 12897858.

It is an arithmetic number, because the mean of its divisors is an integer number (3328336897338).

Almost surely, 2^{13313322332231} is an apocalyptic number.

13313322332231 is a deficient number, since it is larger than the sum of its proper divisors (25257121).

13313322332231 is an equidigital number, since it uses as much as digits as its factorization.

13313322332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25257120.

The product of its digits is 34992, while the sum is 32.

Adding to 13313322332231 its reverse (13223322331331), we get a palindrome (26536644663562).

The spelling of 13313322332231 in words is "thirteen trillion, three hundred thirteen billion, three hundred twenty-two million, three hundred thirty-two thousand, two hundred thirty-one".