122311233111031 has 2 divisors, whose sum is σ = 122311233111032. Its totient is φ = 122311233111030.

The previous prime is 122311233111019. The next prime is 122311233111073. The reversal of 122311233111031 is 130111332113221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122311233111031 - 2²⁹ = 122310696240119 is a prime.

It is a super-2 number, since 2×122311233111031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122311233110987 and 122311233111005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311233118031) 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, 61155616555515 + 61155616555516.

It is an arithmetic number, because the mean of its divisors is an integer number (61155616555516).

Almost surely, 2^{122311233111031} is an apocalyptic number.

122311233111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311233111031 is an equidigital number, since it uses as much as digits as its factorization.

122311233111031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 122311233111031 its reverse (130111332113221), we get a palindrome (252422565224252).

The spelling of 122311233111031 in words is "one hundred twenty-two trillion, three hundred eleven billion, two hundred thirty-three million, one hundred eleven thousand, thirty-one".