381130003 has 4 divisors (see below), whose sum is σ = 389239200. Its totient is φ = 373020808.

The previous prime is 381129997. The next prime is 381130039. The reversal of 381130003 is 300031183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381130003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381130073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4054528 + ... + 4054621.

It is an arithmetic number, because the mean of its divisors is an integer number (97309800).

Almost surely, 2^381130003 is an apocalyptic number.

381130003 is a deficient number, since it is larger than the sum of its proper divisors (8109197).

381130003 is an equidigital number, since it uses as much as digits as its factorization.

381130003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109196.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 381130003 is about 19522.5511396436. The cubic root of 381130003 is about 725.0328977541.

Adding to 381130003 its reverse (300031183), we get a palindrome (681161186).

The spelling of 381130003 in words is "three hundred eighty-one million, one hundred thirty thousand, three".