311113303243 has 2 divisors, whose sum is σ = 311113303244. Its totient is φ = 311113303242.

The previous prime is 311113303229. The next prime is 311113303253. The reversal of 311113303243 is 342303311113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311113303243 - 2¹⁷ = 311113172171 is a prime.

It is not a weakly prime, because it can be changed into another prime (311113303213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155556651621 + 155556651622.

It is an arithmetic number, because the mean of its divisors is an integer number (155556651622).

Almost surely, 2^311113303243 is an apocalyptic number.

311113303243 is a deficient number, since it is larger than the sum of its proper divisors (1).

311113303243 is an equidigital number, since it uses as much as digits as its factorization.

311113303243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 311113303243 its reverse (342303311113), we get a palindrome (653416614356).

The spelling of 311113303243 in words is "three hundred eleven billion, one hundred thirteen million, three hundred three thousand, two hundred forty-three".