381230307 has 24 divisors (see below), whose sum is σ = 601124160. Its totient is φ = 240774120.

The previous prime is 381230279. The next prime is 381230323. The reversal of 381230307 is 703032183.

It is not a de Polignac number, because 381230307 - 2⁸ = 381230051 is a prime.

It is a super-3 number, since 3×381230307³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (381230347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36669 + ... + 45902.

It is an arithmetic number, because the mean of its divisors is an integer number (25046840).

Almost surely, 2^381230307 is an apocalyptic number.

381230307 is a deficient number, since it is larger than the sum of its proper divisors (219893853).

381230307 is an equidigital number, since it uses as much as digits as its factorization.

381230307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82605 (or 82593 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 381230307 is about 19525.1198971991. The cubic root of 381230307 is about 725.0964957569.

The spelling of 381230307 in words is "three hundred eighty-one million, two hundred thirty thousand, three hundred seven".