12443343331 has 8 divisors (see below), whose sum is σ = 12522523104. Its totient is φ = 12364384320.

The previous prime is 12443343277. The next prime is 12443343343. The reversal of 12443343331 is 13334334421.

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 12443343331 - 2⁷ = 12443343203 is a prime.

It is a super-2 number, since 2×12443343331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12443343293 and 12443343302.

It is not an unprimeable number, because it can be changed into a prime (12443343361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58641 + ... + 168301.

It is an arithmetic number, because the mean of its divisors is an integer number (1565315388).

Almost surely, 2^12443343331 is an apocalyptic number.

12443343331 is a deficient number, since it is larger than the sum of its proper divisors (79179773).

12443343331 is a wasteful number, since it uses less digits than its factorization.

12443343331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110381.

The product of its digits is 31104, while the sum is 31.

Adding to 12443343331 its reverse (13334334421), we get a palindrome (25777677752).

The spelling of 12443343331 in words is "twelve billion, four hundred forty-three million, three hundred forty-three thousand, three hundred thirty-one".