381030219 has 12 divisors (see below), whose sum is σ = 550596592. Its totient is φ = 253918800.

The previous prime is 381030191. The next prime is 381030227. The reversal of 381030219 is 912030183.

It is not a de Polignac number, because 381030219 - 2⁵ = 381030187 is a prime.

It is a super-2 number, since 2×381030219² = 290368055582375922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381030192 and 381030201.

It is not an unprimeable number, because it can be changed into a prime (381030019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20634 + ... + 34464.

Almost surely, 2^381030219 is an apocalyptic number.

381030219 is a deficient number, since it is larger than the sum of its proper divisors (169566373).

381030219 is a wasteful number, since it uses less digits than its factorization.

381030219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898 (or 16895 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 381030219 is about 19519.9953637290. The cubic root of 381030219 is about 724.9696183860.

The spelling of 381030219 in words is "three hundred eighty-one million, thirty thousand, two hundred nineteen".