311343303743 has 2 divisors, whose sum is σ = 311343303744. Its totient is φ = 311343303742.

The previous prime is 311343303731. The next prime is 311343303751. The reversal of 311343303743 is 347303343113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311343303743 - 2⁶ = 311343303679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311343303773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155671651871 + 155671651872.

It is an arithmetic number, because the mean of its divisors is an integer number (155671651872).

Almost surely, 2^311343303743 is an apocalyptic number.

311343303743 is a deficient number, since it is larger than the sum of its proper divisors (1).

311343303743 is an equidigital number, since it uses as much as digits as its factorization.

311343303743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 35.

Adding to 311343303743 its reverse (347303343113), we get a palindrome (658646646856).

The spelling of 311343303743 in words is "three hundred eleven billion, three hundred forty-three million, three hundred three thousand, seven hundred forty-three".