381310056 has 48 divisors (see below), whose sum is σ = 1034030400. Its totient is φ = 126941472.

The previous prime is 381310019. The next prime is 381310057. The reversal of 381310056 is 650013183.

381310056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (381310057) 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, 62385 + ... + 68223.

It is an arithmetic number, because the mean of its divisors is an integer number (21542300).

Almost surely, 2^381310056 is an apocalyptic number.

381310056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

381310056 is an abundant number, since it is smaller than the sum of its proper divisors (652720344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381310056 is a wasteful number, since it uses less digits than its factorization.

381310056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 381310056 is about 19527.1620057806. The cubic root of 381310056 is about 725.1470528504.

The spelling of 381310056 in words is "three hundred eighty-one million, three hundred ten thousand, fifty-six".