381111941 has 8 divisors (see below), whose sum is σ = 435717504. Its totient is φ = 326546640.

The previous prime is 381111931. The next prime is 381111959. The reversal of 381111941 is 149111183.

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

It is not a de Polignac number, because 381111941 - 2¹⁴ = 381095557 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 (381111901) 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, 14096 + ... + 30998.

It is an arithmetic number, because the mean of its divisors is an integer number (54464688).

Almost surely, 2^381111941 is an apocalyptic number.

It is an amenable number.

381111941 is a deficient number, since it is larger than the sum of its proper divisors (54605563).

381111941 is a wasteful number, since it uses less digits than its factorization.

381111941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20131.

The product of its digits is 864, while the sum is 29.

The square root of 381111941 is about 19522.0885409323. The cubic root of 381111941 is about 725.0214443122.

The spelling of 381111941 in words is "three hundred eighty-one million, one hundred eleven thousand, nine hundred forty-one".