223103211311 has 2 divisors, whose sum is σ = 223103211312. Its totient is φ = 223103211310.

The previous prime is 223103211293. The next prime is 223103211323. The reversal of 223103211311 is 113112301322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223103211311 - 2¹⁴ = 223103194927 is a prime.

It is a super-3 number, since 3×223103211311³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223103211341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111551605655 + 111551605656.

It is an arithmetic number, because the mean of its divisors is an integer number (111551605656).

Almost surely, 2^223103211311 is an apocalyptic number.

223103211311 is a deficient number, since it is larger than the sum of its proper divisors (1).

223103211311 is an equidigital number, since it uses as much as digits as its factorization.

223103211311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 223103211311 its reverse (113112301322), we get a palindrome (336215512633).

The spelling of 223103211311 in words is "two hundred twenty-three billion, one hundred three million, two hundred eleven thousand, three hundred eleven".