3123023111311 has 2 divisors, whose sum is σ = 3123023111312. Its totient is φ = 3123023111310.

The previous prime is 3123023111309. The next prime is 3123023111333. The reversal of 3123023111311 is 1131113203213.

It is an a-pointer prime, because the next prime (3123023111333) can be obtained adding 3123023111311 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123023111311 - 2¹ = 3123023111309 is a prime.

It is a super-2 number, since 2×3123023111311² (a number of 26 digits) contains 22 as substring.

Together with 3123023111309, 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 (3123023111711) 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, 1561511555655 + 1561511555656.

It is an arithmetic number, because the mean of its divisors is an integer number (1561511555656).

Almost surely, 2^{3123023111311} is an apocalyptic number.

3123023111311 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123023111311 is an equidigital number, since it uses as much as digits as its factorization.

3123023111311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3123023111311 its reverse (1131113203213), we get a palindrome (4254136314524).

The spelling of 3123023111311 in words is "three trillion, one hundred twenty-three billion, twenty-three million, one hundred eleven thousand, three hundred eleven".