381133710 has 48 divisors (see below), whose sum is σ = 1049242896. Its totient is φ = 95656704.

The previous prime is 381133699. The next prime is 381133717. The reversal of 381133710 is 17331183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381133717) 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 23 ways as a sum of consecutive naturals, for example, 123024 + ... + 126083.

It is an arithmetic number, because the mean of its divisors is an integer number (21859227).

Almost surely, 2^381133710 is an apocalyptic number.

381133710 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381133710 is an abundant number, since it is smaller than the sum of its proper divisors (668109186).

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

381133710 is a wasteful number, since it uses less digits than its factorization.

381133710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249137 (or 249134 counting only the distinct ones).

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

The square root of 381133710 is about 19522.6460808979. The cubic root of 381133710 is about 725.0352483853.

Adding to 381133710 its reverse (17331183), we get a palindrome (398464893).

The spelling of 381133710 in words is "three hundred eighty-one million, one hundred thirty-three thousand, seven hundred ten".