323140311530 has 32 divisors (see below), whose sum is σ = 600745389264. Its totient is φ = 125080091136.

The previous prime is 323140311517. The next prime is 323140311541. The reversal of 323140311530 is 35113041323.

It can be written as a sum of positive squares in 8 ways, for example, as 124087812121 + 199052499409 = 352261^2 + 446153^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 323140311530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4137329 + ... + 4214708.

Almost surely, 2^323140311530 is an apocalyptic number.

323140311530 is a deficient number, since it is larger than the sum of its proper divisors (277605077734).

323140311530 is a wasteful number, since it uses less digits than its factorization.

323140311530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352170.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 323140311530 its reverse (35113041323), we get a palindrome (358253352853).

The spelling of 323140311530 in words is "three hundred twenty-three billion, one hundred forty million, three hundred eleven thousand, five hundred thirty".