311530124424 has 64 divisors (see below), whose sum is σ = 788451998400. Its totient is φ = 102565833984.

The previous prime is 311530124369. The next prime is 311530124431. The reversal of 311530124424 is 424421035113.

It is a junction number, because it is equal to n+sod(n) for n = 311530124391 and 311530124400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641439 + ... + 1017105.

It is an arithmetic number, because the mean of its divisors is an integer number (12319562475).

Almost surely, 2^311530124424 is an apocalyptic number.

It is an amenable number.

311530124424 is an abundant number, since it is smaller than the sum of its proper divisors (476921873976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311530124424 is a wasteful number, since it uses less digits than its factorization.

311530124424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376102 (or 376098 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 311530124424 its reverse (424421035113), we get a palindrome (735951159537).

The spelling of 311530124424 in words is "three hundred eleven billion, five hundred thirty million, one hundred twenty-four thousand, four hundred twenty-four".