311244020220424 has 32 divisors (see below), whose sum is σ = 617915470471200. Its totient is φ = 146466696183040.

The previous prime is 311244020220401. The next prime is 311244020220449. The reversal of 311244020220424 is 424022020442113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10275459 + ... + 26982829.

It is an arithmetic number, because the mean of its divisors is an integer number (19309858452225).

Almost surely, 2^{311244020220424} is an apocalyptic number.

311244020220424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

311244020220424 is a deficient number, since it is larger than the sum of its proper divisors (306671450250776).

311244020220424 is a wasteful number, since it uses less digits than its factorization.

311244020220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16844373 (or 16844369 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 311244020220424 its reverse (424022020442113), we get a palindrome (735266040662537).

The spelling of 311244020220424 in words is "three hundred eleven trillion, two hundred forty-four billion, twenty million, two hundred twenty thousand, four hundred twenty-four".