311230153111 has 2 divisors, whose sum is σ = 311230153112. Its totient is φ = 311230153110.

The previous prime is 311230153109. The next prime is 311230153141. The reversal of 311230153111 is 111351032113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311230153111 - 2¹ = 311230153109 is a prime.

Together with 311230153109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230153141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615076555 + 155615076556.

It is an arithmetic number, because the mean of its divisors is an integer number (155615076556).

Almost surely, 2^311230153111 is an apocalyptic number.

311230153111 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230153111 is an equidigital number, since it uses as much as digits as its factorization.

311230153111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

Adding to 311230153111 its reverse (111351032113), we get a palindrome (422581185224).

The spelling of 311230153111 in words is "three hundred eleven billion, two hundred thirty million, one hundred fifty-three thousand, one hundred eleven".