381710133 has 24 divisors (see below), whose sum is σ = 663291200. Its totient is φ = 206639424.

The previous prime is 381710107. The next prime is 381710159. The reversal of 381710133 is 331017183.

It is an interprime number because it is at equal distance from previous prime (381710107) and next prime (381710159).

It is not a de Polignac number, because 381710133 - 2¹⁴ = 381693749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 381710097 and 381710106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381710033) 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, 158248 + ... + 160641.

Almost surely, 2^381710133 is an apocalyptic number.

It is an amenable number.

381710133 is a deficient number, since it is larger than the sum of its proper divisors (281581067).

381710133 is a wasteful number, since it uses less digits than its factorization.

381710133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318921 (or 318918 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 381710133 is about 19537.4034354619. The cubic root of 381710133 is about 725.4005764135.

It can be divided in two parts, 38 and 1710133, that added together give a palindrome (1710171).

The spelling of 381710133 in words is "three hundred eighty-one million, seven hundred ten thousand, one hundred thirty-three".