13243345331 has 8 divisors (see below), whose sum is σ = 13377140064. Its totient is φ = 13109603200.

The previous prime is 13243345319. The next prime is 13243345333. The reversal of 13243345331 is 13354334231.

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 13243345331 - 2¹⁸ = 13243083187 is a prime.

It is a super-2 number, since 2×13243345331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13243345333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670706 + ... + 690168.

It is an arithmetic number, because the mean of its divisors is an integer number (1672142508).

Almost surely, 2^13243345331 is an apocalyptic number.

13243345331 is a deficient number, since it is larger than the sum of its proper divisors (133794733).

13243345331 is a wasteful number, since it uses less digits than its factorization.

13243345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26301.

The product of its digits is 38880, while the sum is 32.

Adding to 13243345331 its reverse (13354334231), we get a palindrome (26597679562).

The spelling of 13243345331 in words is "thirteen billion, two hundred forty-three million, three hundred forty-five thousand, three hundred thirty-one".