311340021424 has 20 divisors (see below), whose sum is σ = 604740752944. Its totient is φ = 155277891648.

The previous prime is 311340021389. The next prime is 311340021427. The reversal of 311340021424 is 424120043113.

It is not an unprimeable number, because it can be changed into a prime (311340021427) 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, 24500892 + ... + 24513595.

Almost surely, 2^311340021424 is an apocalyptic number.

It is an amenable number.

311340021424 is a deficient number, since it is larger than the sum of its proper divisors (293400731520).

311340021424 is a wasteful number, since it uses less digits than its factorization.

311340021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49014892 (or 49014886 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 311340021424 its reverse (424120043113), we get a palindrome (735460064537).

The spelling of 311340021424 in words is "three hundred eleven billion, three hundred forty million, twenty-one thousand, four hundred twenty-four".