230531219 has 2 divisors, whose sum is σ = 230531220. Its totient is φ = 230531218.

The previous prime is 230531209. The next prime is 230531227. The reversal of 230531219 is 912135032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230531219 - 2²⁴ = 213754003 is a prime.

It is a super-2 number, since 2×230531219² = 106289285867251922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_12670145 and since 230531219 and 12670145 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (230531209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115265609 + 115265610.

It is an arithmetic number, because the mean of its divisors is an integer number (115265610).

Almost surely, 2^230531219 is an apocalyptic number.

230531219 is a deficient number, since it is larger than the sum of its proper divisors (1).

230531219 is an equidigital number, since it uses as much as digits as its factorization.

230531219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 230531219 is about 15183.2545588882. The cubic root of 230531219 is about 613.1639061856.

The spelling of 230531219 in words is "two hundred thirty million, five hundred thirty-one thousand, two hundred nineteen".