311302355554243 has 8 divisors (see below), whose sum is σ = 311353679661920. Its totient is φ = 311251032449280.

The previous prime is 311302355554153. The next prime is 311302355554261. The reversal of 311302355554243 is 342455553203113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311302355554243 - 2⁹ = 311302355553731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311302355554193 and 311302355554202.

It is not an unprimeable number, because it can be changed into a prime (311302355554273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859943746 + ... + 860305672.

It is an arithmetic number, because the mean of its divisors is an integer number (38919209957740).

Almost surely, 2^{311302355554243} is an apocalyptic number.

311302355554243 is a deficient number, since it is larger than the sum of its proper divisors (51324107677).

311302355554243 is a wasteful number, since it uses less digits than its factorization.

311302355554243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501357.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 311302355554243 in words is "three hundred eleven trillion, three hundred two billion, three hundred fifty-five million, five hundred fifty-four thousand, two hundred forty-three".