13243866834231 has 48 divisors (see below), whose sum is σ = 21601339384800. Its totient is φ = 8013575687040.

The previous prime is 13243866834167. The next prime is 13243866834241.

13243866834231 is a `hidden beast` number, since 1 + 3 + 2 + 438 + 66 + 83 + 42 + 31 = 666.

13243866834231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13243866834231 - 2⁶ = 13243866834167 is a prime.

It is a super-2 number, since 2×13243866834231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243866834241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1269376 + ... + 5300853.

It is an arithmetic number, because the mean of its divisors is an integer number (450027903850).

Almost surely, 2^{13243866834231} is an apocalyptic number.

13243866834231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13243866834231 is a deficient number, since it is larger than the sum of its proper divisors (8357472550569).

13243866834231 is a wasteful number, since it uses less digits than its factorization.

13243866834231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570877 (or 6570860 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The spelling of 13243866834231 in words is "thirteen trillion, two hundred forty-three billion, eight hundred sixty-six million, eight hundred thirty-four thousand, two hundred thirty-one".