311320123042424 has 8 divisors (see below), whose sum is σ = 583725230704560. Its totient is φ = 155660061521208.

The previous prime is 311320123042399. The next prime is 311320123042441. The reversal of 311320123042424 is 424240321023113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×311320123042424² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19457507690144 + ... + 19457507690159.

It is an arithmetic number, because the mean of its divisors is an integer number (72965653838070).

Almost surely, 2^{311320123042424} is an apocalyptic number.

It is an amenable number.

311320123042424 is a deficient number, since it is larger than the sum of its proper divisors (272405107662136).

311320123042424 is a wasteful number, since it uses less digits than its factorization.

311320123042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38915015380309 (or 38915015380305 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 311320123042424 its reverse (424240321023113), we get a palindrome (735560444065537).

The spelling of 311320123042424 in words is "three hundred eleven trillion, three hundred twenty billion, one hundred twenty-three million, forty-two thousand, four hundred twenty-four".