12440353131301 has 4 divisors (see below), whose sum is σ = 12440415441132. Its totient is φ = 12440290821472.

The previous prime is 12440353131263. The next prime is 12440353131329. The reversal of 12440353131301 is 10313135304421.

12440353131301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9848462427076 + 2591890704225 = 3138226^2 + 1609935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12440353131301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440353131331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30854470 + ... + 31255063.

It is an arithmetic number, because the mean of its divisors is an integer number (3110103860283).

Almost surely, 2^{12440353131301} is an apocalyptic number.

It is an amenable number.

12440353131301 is a deficient number, since it is larger than the sum of its proper divisors (62309831).

12440353131301 is an equidigital number, since it uses as much as digits as its factorization.

12440353131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62309830.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 12440353131301 its reverse (10313135304421), we get a palindrome (22753488435722).

The spelling of 12440353131301 in words is "twelve trillion, four hundred forty billion, three hundred fifty-three million, one hundred thirty-one thousand, three hundred one".