380811131 has 2 divisors, whose sum is σ = 380811132. Its totient is φ = 380811130.

The previous prime is 380811077. The next prime is 380811173. The reversal of 380811131 is 131118083.

It is a strong prime.

It is an emirp because it is prime and its reverse (131118083) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380811131 is a prime.

It is a super-2 number, since 2×380811131² = 290034234986998322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380811131.

It is not a weakly prime, because it can be changed into another prime (380411131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190405565 + 190405566.

It is an arithmetic number, because the mean of its divisors is an integer number (190405566).

Almost surely, 2^380811131 is an apocalyptic number.

380811131 is a deficient number, since it is larger than the sum of its proper divisors (1).

380811131 is an equidigital number, since it uses as much as digits as its factorization.

380811131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 380811131 is about 19514.3826702256. The cubic root of 380811131 is about 724.8306420111.

The spelling of 380811131 in words is "three hundred eighty million, eight hundred eleven thousand, one hundred thirty-one".