381351313 has 8 divisors (see below), whose sum is σ = 436430528. Its totient is φ = 326422224.

The previous prime is 381351307. The next prime is 381351319. The reversal of 381351313 is 313153183.

It is an interprime number because it is at equal distance from previous prime (381351307) and next prime (381351319).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381351313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381351319) 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 7 ways as a sum of consecutive naturals, for example, 32031 + ... + 42292.

It is an arithmetic number, because the mean of its divisors is an integer number (54553816).

Almost surely, 2^381351313 is an apocalyptic number.

It is an amenable number.

381351313 is a deficient number, since it is larger than the sum of its proper divisors (55079215).

381351313 is an equidigital number, since it uses as much as digits as its factorization.

381351313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75063.

The product of its digits is 3240, while the sum is 28.

The square root of 381351313 is about 19528.2183775172. The cubic root of 381351313 is about 725.1732050700.

The spelling of 381351313 in words is "three hundred eighty-one million, three hundred fifty-one thousand, three hundred thirteen".