1230222120031 has 2 divisors, whose sum is σ = 1230222120032. Its totient is φ = 1230222120030.

The previous prime is 1230222120013. The next prime is 1230222120047. The reversal of 1230222120031 is 1300212220321.

Together with previous prime (1230222120013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230222120031 - 2²⁹ = 1229685249119 is a prime.

It is a super-2 number, since 2×1230222120031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230222119990 and 1230222120008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230222120091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615111060015 + 615111060016.

It is an arithmetic number, because the mean of its divisors is an integer number (615111060016).

Almost surely, 2^{1230222120031} is an apocalyptic number.

1230222120031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230222120031 is an equidigital number, since it uses as much as digits as its factorization.

1230222120031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1230222120031 its reverse (1300212220321), we get a palindrome (2530434340352).

The spelling of 1230222120031 in words is "one trillion, two hundred thirty billion, two hundred twenty-two million, one hundred twenty thousand, thirty-one".