381313283 has 16 divisors (see below), whose sum is σ = 421528800. Its totient is φ = 342766080.

The previous prime is 381313241. The next prime is 381313307. The reversal of 381313283 is 382313183.

It is a cyclic number.

It is not a de Polignac number, because 381313283 - 2²² = 377118979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381313483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81323 + ... + 85883.

It is an arithmetic number, because the mean of its divisors is an integer number (26345550).

Almost surely, 2^381313283 is an apocalyptic number.

381313283 is a deficient number, since it is larger than the sum of its proper divisors (40215517).

381313283 is a wasteful number, since it uses less digits than its factorization.

381313283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742.

The product of its digits is 10368, while the sum is 32.

The square root of 381313283 is about 19527.2446341003. The cubic root of 381313283 is about 725.1490984673.

It can be divided in two parts, 38131 and 3283, that added together give a palindrome (41414).

The spelling of 381313283 in words is "three hundred eighty-one million, three hundred thirteen thousand, two hundred eighty-three".