311341242011 has 2 divisors, whose sum is σ = 311341242012. Its totient is φ = 311341242010.

The previous prime is 311341241927. The next prime is 311341242029. The reversal of 311341242011 is 110242143113.

It is a strong prime.

It is an emirp because it is prime and its reverse (110242143113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311341242011 - 2¹⁸ = 311340979867 is a prime.

It is not a weakly prime, because it can be changed into another prime (311341242041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155670621005 + 155670621006.

It is an arithmetic number, because the mean of its divisors is an integer number (155670621006).

Almost surely, 2^311341242011 is an apocalyptic number.

311341242011 is a deficient number, since it is larger than the sum of its proper divisors (1).

311341242011 is an equidigital number, since it uses as much as digits as its factorization.

311341242011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 311341242011 its reverse (110242143113), we get a palindrome (421583385124).

The spelling of 311341242011 in words is "three hundred eleven billion, three hundred forty-one million, two hundred forty-two thousand, eleven".