311442320443124 has 48 divisors (see below), whose sum is σ = 600626370960000. Its totient is φ = 140393351468160.

The previous prime is 311442320443097. The next prime is 311442320443139. The reversal of 311442320443124 is 421344023244113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46005002 + ... + 52338750.

It is an arithmetic number, because the mean of its divisors is an integer number (12513049395000).

Almost surely, 2^{311442320443124} is an apocalyptic number.

It is an amenable number.

311442320443124 is a deficient number, since it is larger than the sum of its proper divisors (289184050516876).

311442320443124 is a wasteful number, since it uses less digits than its factorization.

311442320443124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355800 (or 6355798 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 311442320443124 its reverse (421344023244113), we get a palindrome (732786343687237).

The spelling of 311442320443124 in words is "three hundred eleven trillion, four hundred forty-two billion, three hundred twenty million, four hundred forty-three thousand, one hundred twenty-four".