12302013231 has 6 divisors (see below), whose sum is σ = 17769574680. Its totient is φ = 8201342148.

The previous prime is 12302013187. The next prime is 12302013253. The reversal of 12302013231 is 13231020321.

12302013231 is a `hidden beast` number, since 1 + 230 + 201 + 3 + 231 = 666.

It is not a de Polignac number, because 12302013231 - 2¹³ = 12302005039 is a prime.

It is a super-2 number, since 2×12302013231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302013271) 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 5 ways as a sum of consecutive naturals, for example, 683445171 + ... + 683445188.

It is an arithmetic number, because the mean of its divisors is an integer number (2961595780).

Almost surely, 2^12302013231 is an apocalyptic number.

12302013231 is a deficient number, since it is larger than the sum of its proper divisors (5467561449).

12302013231 is a wasteful number, since it uses less digits than its factorization.

12302013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366890365 (or 1366890362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12302013231 its reverse (13231020321), we get a palindrome (25533033552).

The spelling of 12302013231 in words is "twelve billion, three hundred two million, thirteen thousand, two hundred thirty-one".