311444540324 has 12 divisors (see below), whose sum is σ = 545040110748. Its totient is φ = 155718794400.

The previous prime is 311444540321. The next prime is 311444540339. The reversal of 311444540324 is 423045444113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 286364116900 + 25080423424 = 535130^2 + 158368^2 .

It is not an unprimeable number, because it can be changed into a prime (311444540321) 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, 661847 + ... + 1030014.

It is an arithmetic number, because the mean of its divisors is an integer number (45420009229).

Almost surely, 2^311444540324 is an apocalyptic number.

It is an amenable number.

311444540324 is a deficient number, since it is larger than the sum of its proper divisors (233595570424).

311444540324 is a wasteful number, since it uses less digits than its factorization.

311444540324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737886 (or 1737884 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 311444540324 its reverse (423045444113), we get a palindrome (734489984437).

The spelling of 311444540324 in words is "three hundred eleven billion, four hundred forty-four million, five hundred forty thousand, three hundred twenty-four".