381612314 has 4 divisors (see below), whose sum is σ = 572418474. Its totient is φ = 190806156.

The previous prime is 381612307. The next prime is 381612377. The reversal of 381612314 is 413216183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 290123089 + 91489225 = 17033^2 + 9565^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 95403077 + ... + 95403080.

Almost surely, 2^381612314 is an apocalyptic number.

381612314 is a deficient number, since it is larger than the sum of its proper divisors (190806160).

381612314 is a wasteful number, since it uses less digits than its factorization.

381612314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190806159.

The product of its digits is 3456, while the sum is 29.

The square root of 381612314 is about 19534.8998973632. The cubic root of 381612314 is about 725.3386061599.

Adding to 381612314 its reverse (413216183), we get a palindrome (794828497).

The spelling of 381612314 in words is "three hundred eighty-one million, six hundred twelve thousand, three hundred fourteen".