230455831 has 2 divisors, whose sum is σ = 230455832. Its totient is φ = 230455830.

The previous prime is 230455789. The next prime is 230455867. The reversal of 230455831 is 138554032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230455831 - 2⁹ = 230455319 is a prime.

It is a super-2 number, since 2×230455831² = 106219780083801122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 230455793 and 230455802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230485831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115227915 + 115227916.

It is an arithmetic number, because the mean of its divisors is an integer number (115227916).

Almost surely, 2^230455831 is an apocalyptic number.

230455831 is a deficient number, since it is larger than the sum of its proper divisors (1).

230455831 is an equidigital number, since it uses as much as digits as its factorization.

230455831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 230455831 is about 15180.7717524505. The cubic root of 230455831 is about 613.0970602280.

The spelling of 230455831 in words is "two hundred thirty million, four hundred fifty-five thousand, eight hundred thirty-one".