311111441423 has 2 divisors, whose sum is σ = 311111441424. Its totient is φ = 311111441422.

The previous prime is 311111441413. The next prime is 311111441447. The reversal of 311111441423 is 324144111113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311111441423 - 2²⁴ = 311094664207 is a prime.

It is a super-3 number, since 3×311111441423³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311111441392 and 311111441401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311111441413) 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, 155555720711 + 155555720712.

It is an arithmetic number, because the mean of its divisors is an integer number (155555720712).

Almost surely, 2^311111441423 is an apocalyptic number.

311111441423 is a deficient number, since it is larger than the sum of its proper divisors (1).

311111441423 is an equidigital number, since it uses as much as digits as its factorization.

311111441423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

Adding to 311111441423 its reverse (324144111113), we get a palindrome (635255552536).

The spelling of 311111441423 in words is "three hundred eleven billion, one hundred eleven million, four hundred forty-one thousand, four hundred twenty-three".