122311005031 has 2 divisors, whose sum is σ = 122311005032. Its totient is φ = 122311005030.

The previous prime is 122311005013. The next prime is 122311005041. The reversal of 122311005031 is 130500113221.

Together with previous prime (122311005013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (130500113221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122311005031 - 2⁵ = 122311004999 is a prime.

It is a super-2 number, since 2×122311005031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311005001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155502515 + 61155502516.

It is an arithmetic number, because the mean of its divisors is an integer number (61155502516).

Almost surely, 2^122311005031 is an apocalyptic number.

122311005031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311005031 is an equidigital number, since it uses as much as digits as its factorization.

122311005031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 122311005031 its reverse (130500113221), we get a palindrome (252811118252).

The spelling of 122311005031 in words is "one hundred twenty-two billion, three hundred eleven million, five thousand, thirty-one".