381382313 has 8 divisors (see below), whose sum is σ = 417681600. Its totient is φ = 346077648.

The previous prime is 381382303. The next prime is 381382319. The reversal of 381382313 is 313283183.

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

It is a cyclic number.

It is not a de Polignac number, because 381382313 - 2¹⁰ = 381381289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 381382313.

It is not an unprimeable number, because it can be changed into a prime (381382319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247853 + ... + 249386.

It is an arithmetic number, because the mean of its divisors is an integer number (52210200).

Almost surely, 2^381382313 is an apocalyptic number.

It is an amenable number.

381382313 is a deficient number, since it is larger than the sum of its proper divisors (36299287).

381382313 is a wasteful number, since it uses less digits than its factorization.

381382313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497311.

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

The square root of 381382313 is about 19529.0120845884. The cubic root of 381382313 is about 725.1928542837.

The spelling of 381382313 in words is "three hundred eighty-one million, three hundred eighty-two thousand, three hundred thirteen".