380311 has 2 divisors, whose sum is σ = 380312. Its totient is φ = 380310.

The previous prime is 380309. The next prime is 380327. The reversal of 380311 is 113083.

It is an a-pointer prime, because the next prime (380327) can be obtained adding 380311 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (113083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380311 - 2¹ = 380309 is a prime.

Together with 380309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190155 + 190156.

It is an arithmetic number, because the mean of its divisors is an integer number (190156).

2³⁸⁰³¹¹ is an apocalyptic number.

380311 is a deficient number, since it is larger than the sum of its proper divisors (1).

380311 is an equidigital number, since it uses as much as digits as its factorization.

380311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 380311 is about 616.6936030153. The cubic root of 380311 is about 72.4513188853.

Adding to 380311 its reverse (113083), we get a palindrome (493394).

The spelling of 380311 in words is "three hundred eighty thousand, three hundred eleven".