381316263 has 16 divisors (see below), whose sum is σ = 535603200. Its totient is φ = 240641280.

The previous prime is 381316249. The next prime is 381316267. The reversal of 381316263 is 362613183.

It is not a de Polignac number, because 381316263 - 2⁵ = 381316231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381316267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118743 + ... + 121911.

It is an arithmetic number, because the mean of its divisors is an integer number (33475200).

Almost surely, 2^381316263 is an apocalyptic number.

381316263 is a deficient number, since it is larger than the sum of its proper divisors (154286937).

381316263 is a wasteful number, since it uses less digits than its factorization.

381316263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302.

The product of its digits is 15552, while the sum is 33.

The square root of 381316263 is about 19527.3209375992. The cubic root of 381316263 is about 725.1509874991.

The spelling of 381316263 in words is "three hundred eighty-one million, three hundred sixteen thousand, two hundred sixty-three".