311420220424 has 16 divisors (see below), whose sum is σ = 587138954220. Its totient is φ = 154849832640.

The previous prime is 311420220389. The next prime is 311420220427. The reversal of 311420220424 is 424022024113.

It can be written as a sum of positive squares in 2 ways, for example, as 304392751524 + 7027468900 = 551718^2 + 83830^2 .

It is not an unprimeable number, because it can be changed into a prime (311420220427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107533159 + ... + 107536054.

Almost surely, 2^311420220424 is an apocalyptic number.

It is an amenable number.

311420220424 is a deficient number, since it is larger than the sum of its proper divisors (275718733796).

311420220424 is a wasteful number, since it uses less digits than its factorization.

311420220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215069400 (or 215069396 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 311420220424 its reverse (424022024113), we get a palindrome (735442244537).

The spelling of 311420220424 in words is "three hundred eleven billion, four hundred twenty million, two hundred twenty thousand, four hundred twenty-four".