12231302331 has 8 divisors (see below), whose sum is σ = 16584816960. Its totient is φ = 8015994632.

The previous prime is 12231302329. The next prime is 12231302393. The reversal of 12231302331 is 13320313221.

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 12231302331 - 2¹ = 12231302329 is a prime.

It is a super-2 number, since 2×12231302331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231302298 and 12231302307.

It is not an unprimeable number, because it can be changed into a prime (12231302311) 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, 34551525 + ... + 34551878.

It is an arithmetic number, because the mean of its divisors is an integer number (2073102120).

Almost surely, 2^12231302331 is an apocalyptic number.

12231302331 is a deficient number, since it is larger than the sum of its proper divisors (4353514629).

12231302331 is an equidigital number, since it uses as much as digits as its factorization.

12231302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69103465.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12231302331 its reverse (13320313221), we get a palindrome (25551615552).

The spelling of 12231302331 in words is "twelve billion, two hundred thirty-one million, three hundred two thousand, three hundred thirty-one".