30222323231 has 2 divisors, whose sum is σ = 30222323232. Its totient is φ = 30222323230.

The previous prime is 30222323227. The next prime is 30222323297. The reversal of 30222323231 is 13232322203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30222323231 - 2² = 30222323227 is a prime.

It is a super-2 number, since 2×30222323231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30222323197 and 30222323206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30222323531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111161615 + 15111161616.

It is an arithmetic number, because the mean of its divisors is an integer number (15111161616).

Almost surely, 2^30222323231 is an apocalyptic number.

30222323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30222323231 is an equidigital number, since it uses as much as digits as its factorization.

30222323231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30222323231 its reverse (13232322203), we get a palindrome (43454645434).

The spelling of 30222323231 in words is "thirty billion, two hundred twenty-two million, three hundred twenty-three thousand, two hundred thirty-one".