12442031313 has 8 divisors (see below), whose sum is σ = 16596495168. Its totient is φ = 8291127504.

The previous prime is 12442031237. The next prime is 12442031317. The reversal of 12442031313 is 31313024421.

It is a happy number.

12442031313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12442031313 - 2⁸ = 12442031057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12442031317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881845 + ... + 895842.

It is an arithmetic number, because the mean of its divisors is an integer number (2074561896).

Almost surely, 2^12442031313 is an apocalyptic number.

It is an amenable number.

12442031313 is a deficient number, since it is larger than the sum of its proper divisors (4154463855).

12442031313 is a wasteful number, since it uses less digits than its factorization.

12442031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780023.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12442031313 its reverse (31313024421), we get a palindrome (43755055734).

The spelling of 12442031313 in words is "twelve billion, four hundred forty-two million, thirty-one thousand, three hundred thirteen".