311228074208543 has 8 divisors (see below), whose sum is σ = 311333090747520. Its totient is φ = 311123059858080.

The previous prime is 311228074208539. The next prime is 311228074208603. The reversal of 311228074208543 is 345802470822113.

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 311228074208543 - 2² = 311228074208539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311228074208491 and 311228074208500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311228074202543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314412338 + ... + 315400656.

It is an arithmetic number, because the mean of its divisors is an integer number (38916636343440).

Almost surely, 2^{311228074208543} is an apocalyptic number.

311228074208543 is a deficient number, since it is larger than the sum of its proper divisors (105016538977).

311228074208543 is a wasteful number, since it uses less digits than its factorization.

311228074208543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094257.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 311228074208543 in words is "three hundred eleven trillion, two hundred twenty-eight billion, seventy-four million, two hundred eight thousand, five hundred forty-three".