230131219 has 2 divisors, whose sum is σ = 230131220. Its totient is φ = 230131218.

The previous prime is 230131217. The next prime is 230131241. The reversal of 230131219 is 912131032.

It is an a-pointer prime, because the next prime (230131241) can be obtained adding 230131219 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230131219 - 2¹ = 230131217 is a prime.

It is a super-2 number, since 2×230131219² = 105920755916851922, which contains 22 as substring.

Together with 230131217, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 230131219.

It is not a weakly prime, because it can be changed into another prime (230131217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115065609 + 115065610.

It is an arithmetic number, because the mean of its divisors is an integer number (115065610).

Almost surely, 2^230131219 is an apocalyptic number.

230131219 is a deficient number, since it is larger than the sum of its proper divisors (1).

230131219 is an equidigital number, since it uses as much as digits as its factorization.

230131219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 230131219 is about 15170.0764335583. The cubic root of 230131219 is about 612.8090626266.

The spelling of 230131219 in words is "two hundred thirty million, one hundred thirty-one thousand, two hundred nineteen".