311431310304424 has 16 divisors (see below), whose sum is σ = 584048046765600. Its totient is φ = 155685164500272.

The previous prime is 311431310304343. The next prime is 311431310304479. The reversal of 311431310304424 is 424403013134113.

It is a super-2 number, since 2×311431310304424² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311431310304424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3811288084 + ... + 3811369795.

It is an arithmetic number, because the mean of its divisors is an integer number (36503002922850).

Almost surely, 2^{311431310304424} is an apocalyptic number.

It is an amenable number.

311431310304424 is a deficient number, since it is larger than the sum of its proper divisors (272616736461176).

311431310304424 is a wasteful number, since it uses less digits than its factorization.

311431310304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622662992 (or 7622662988 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 311431310304424 its reverse (424403013134113), we get a palindrome (735834323438537).

The spelling of 311431310304424 in words is "three hundred eleven trillion, four hundred thirty-one billion, three hundred ten million, three hundred four thousand, four hundred twenty-four".