311022200231123 has 2 divisors, whose sum is σ = 311022200231124. Its totient is φ = 311022200231122.

The previous prime is 311022200231059. The next prime is 311022200231129. The reversal of 311022200231123 is 321132002220113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311022200231123 - 2⁶ = 311022200231059 is a prime.

It is a super-2 number, since 2×311022200231123² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311022200231129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155511100115561 + 155511100115562.

It is an arithmetic number, because the mean of its divisors is an integer number (155511100115562).

Almost surely, 2^{311022200231123} is an apocalyptic number.

311022200231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

311022200231123 is an equidigital number, since it uses as much as digits as its factorization.

311022200231123 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 311022200231123 its reverse (321132002220113), we get a palindrome (632154202451236).

The spelling of 311022200231123 in words is "three hundred eleven trillion, twenty-two billion, two hundred million, two hundred thirty-one thousand, one hundred twenty-three".