311000030013223 has 2 divisors, whose sum is σ = 311000030013224. Its totient is φ = 311000030013222.

The previous prime is 311000030013199. The next prime is 311000030013227. The reversal of 311000030013223 is 322310030000113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311000030013223 - 2⁵ = 311000030013191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311000030013223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311000030013227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155500015006611 + 155500015006612.

It is an arithmetic number, because the mean of its divisors is an integer number (155500015006612).

Almost surely, 2^{311000030013223} is an apocalyptic number.

311000030013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

311000030013223 is an equidigital number, since it uses as much as digits as its factorization.

311000030013223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 311000030013223 its reverse (322310030000113), we get a palindrome (633310060013336).

The spelling of 311000030013223 in words is "three hundred eleven trillion, thirty million, thirteen thousand, two hundred twenty-three".