381020183 has 8 divisors (see below), whose sum is σ = 394495680. Its totient is φ = 367567200.

The previous prime is 381020173. The next prime is 381020197.

381020183 is nontrivially palindromic in base 10.

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-381020183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381020173) 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, 33533 + ... + 43433.

It is an arithmetic number, because the mean of its divisors is an integer number (49311960).

Almost surely, 2^381020183 is an apocalyptic number.

381020183 is a deficient number, since it is larger than the sum of its proper divisors (13475497).

381020183 is a wasteful number, since it uses less digits than its factorization.

381020183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 381020183 is about 19519.7382923030. The cubic root of 381020183 is about 724.9632533099.

The spelling of 381020183 in words is "three hundred eighty-one million, twenty thousand, one hundred eighty-three".