30227231 has 2 divisors, whose sum is σ = 30227232. Its totient is φ = 30227230.

The previous prime is 30227213. The next prime is 30227243. The reversal of 30227231 is 13272203.

Together with previous prime (30227213) 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 30227231 - 2²² = 26032927 is a prime.

It is a super-2 number, since 2×30227231² = 1827370987854722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30227731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15113615 + 15113616.

It is an arithmetic number, because the mean of its divisors is an integer number (15113616).

Almost surely, 2^30227231 is an apocalyptic number.

30227231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30227231 is an equidigital number, since it uses as much as digits as its factorization.

30227231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30227231 is about 5497.9297012603. The cubic root of 30227231 is about 311.5057887753.

Adding to 30227231 its reverse (13272203), we get a palindrome (43499434).

The spelling of 30227231 in words is "thirty million, two hundred twenty-seven thousand, two hundred thirty-one".