311424641341405 has 16 divisors (see below), whose sum is σ = 376139765170224. Its totient is φ = 247520003627520.

The previous prime is 311424641341379. The next prime is 311424641341433. The reversal of 311424641341405 is 504143146424113.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 47666242276 + 311376975099129 = 218326^2 + 17645877^2 .

It is a de Polignac number, because none of the positive numbers 2^k-311424641341405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20384472 + ... + 32223841.

It is an arithmetic number, because the mean of its divisors is an integer number (23508735323139).

Almost surely, 2^{311424641341405} is an apocalyptic number.

It is an amenable number.

311424641341405 is a deficient number, since it is larger than the sum of its proper divisors (64715123828819).

311424641341405 is a wasteful number, since it uses less digits than its factorization.

311424641341405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52616016.

The product of its (nonzero) digits is 552960, while the sum is 43.

Adding to 311424641341405 its reverse (504143146424113), we get a palindrome (815567787765518).

The spelling of 311424641341405 in words is "three hundred eleven trillion, four hundred twenty-four billion, six hundred forty-one million, three hundred forty-one thousand, four hundred five".