31224444113 has 8 divisors (see below), whose sum is σ = 32183315136. Its totient is φ = 30279992400.

The previous prime is 31224444107. The next prime is 31224444151. The reversal of 31224444113 is 31144442213.

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 31224444113 - 2⁶ = 31224444049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31224440113) 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, 3600431 + ... + 3609092.

It is an arithmetic number, because the mean of its divisors is an integer number (4022914392).

Almost surely, 2^31224444113 is an apocalyptic number.

It is an amenable number.

31224444113 is a deficient number, since it is larger than the sum of its proper divisors (958871023).

31224444113 is an equidigital number, since it uses as much as digits as its factorization.

31224444113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209655.

The product of its digits is 9216, while the sum is 29.

Adding to 31224444113 its reverse (31144442213), we get a palindrome (62368886326).

The spelling of 31224444113 in words is "thirty-one billion, two hundred twenty-four million, four hundred forty-four thousand, one hundred thirteen".