3111220312223 has 2 divisors, whose sum is σ = 3111220312224. Its totient is φ = 3111220312222.

The previous prime is 3111220312217. The next prime is 3111220312229. The reversal of 3111220312223 is 3222130221113.

It is a balanced prime because it is at equal distance from previous prime (3111220312217) and next prime (3111220312229).

It is a cyclic number.

It is not a de Polignac number, because 3111220312223 - 2⁶ = 3111220312159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111220312229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555610156111 + 1555610156112.

It is an arithmetic number, because the mean of its divisors is an integer number (1555610156112).

Almost surely, 2^{3111220312223} is an apocalyptic number.

3111220312223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111220312223 is an equidigital number, since it uses as much as digits as its factorization.

3111220312223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3111220312223 its reverse (3222130221113), we get a palindrome (6333350533336).

The spelling of 3111220312223 in words is "three trillion, one hundred eleven billion, two hundred twenty million, three hundred twelve thousand, two hundred twenty-three".