3111213010223 has 2 divisors, whose sum is σ = 3111213010224. Its totient is φ = 3111213010222.

The previous prime is 3111213010183. The next prime is 3111213010237. The reversal of 3111213010223 is 3220103121113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3111213010223 - 2⁸ = 3111213009967 is a prime.

It is a super-2 number, since 2×3111213010223² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3111213010195 and 3111213010204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111213015223) 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, 1555606505111 + 1555606505112.

It is an arithmetic number, because the mean of its divisors is an integer number (1555606505112).

Almost surely, 2^{3111213010223} is an apocalyptic number.

3111213010223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111213010223 is an equidigital number, since it uses as much as digits as its factorization.

3111213010223 is an odious number, because the sum of its binary digits is odd.

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

Adding to 3111213010223 its reverse (3220103121113), we get a palindrome (6331316131336).

The spelling of 3111213010223 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, ten thousand, two hundred twenty-three".