122321313031 has 2 divisors, whose sum is σ = 122321313032. Its totient is φ = 122321313030.

The previous prime is 122321313007. The next prime is 122321313043. The reversal of 122321313031 is 130313123221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122321313031 - 2⁵ = 122321312999 is a prime.

It is a super-2 number, since 2×122321313031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122321312993 and 122321313011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122321313061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160656515 + 61160656516.

It is an arithmetic number, because the mean of its divisors is an integer number (61160656516).

Almost surely, 2^122321313031 is an apocalyptic number.

122321313031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122321313031 is an equidigital number, since it uses as much as digits as its factorization.

122321313031 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 22.

Adding to 122321313031 its reverse (130313123221), we get a palindrome (252634436252).

The spelling of 122321313031 in words is "one hundred twenty-two billion, three hundred twenty-one million, three hundred thirteen thousand, thirty-one".