311441313221243 has 4 divisors (see below), whose sum is σ = 312036803304408. Its totient is φ = 310845823138080.

The previous prime is 311441313221237. The next prime is 311441313221267. The reversal of 311441313221243 is 342122313144113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311441313221243 - 2⁸ = 311441313220987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311441313271243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297745040798 + ... + 297745041843.

It is an arithmetic number, because the mean of its divisors is an integer number (78009200826102).

Almost surely, 2^{311441313221243} is an apocalyptic number.

311441313221243 is a deficient number, since it is larger than the sum of its proper divisors (595490083165).

311441313221243 is an equidigital number, since it uses as much as digits as its factorization.

311441313221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595490083164.

The product of its digits is 41472, while the sum is 35.

Adding to 311441313221243 its reverse (342122313144113), we get a palindrome (653563626365356).

The spelling of 311441313221243 in words is "three hundred eleven trillion, four hundred forty-one billion, three hundred thirteen million, two hundred twenty-one thousand, two hundred forty-three".