381233711 has 8 divisors (see below), whose sum is σ = 384768384. Its totient is φ = 377708760.

The previous prime is 381233701. The next prime is 381233747. The reversal of 381233711 is 117332183.

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-381233711 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 (381233701) 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, 93236 + ... + 97238.

It is an arithmetic number, because the mean of its divisors is an integer number (48096048).

Almost surely, 2^381233711 is an apocalyptic number.

381233711 is a deficient number, since it is larger than the sum of its proper divisors (3534673).

381233711 is a wasteful number, since it uses less digits than its factorization.

381233711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861.

The product of its digits is 3024, while the sum is 29.

The square root of 381233711 is about 19525.2070667637. The cubic root of 381233711 is about 725.0986538760.

Adding to 381233711 its reverse (117332183), we get a palindrome (498565894).

The spelling of 381233711 in words is "three hundred eighty-one million, two hundred thirty-three thousand, seven hundred eleven".