380727131 has 2 divisors, whose sum is σ = 380727132. Its totient is φ = 380727130.

The previous prime is 380727097. The next prime is 380727163. The reversal of 380727131 is 131727083.

It is an a-pointer prime, because the next prime (380727163) can be obtained adding 380727131 to its sum of digits (32).

It is a strong prime.

It is an emirp because it is prime and its reverse (131727083) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380727131 is a prime.

It is a super-2 number, since 2×380727131² = 289906296558982322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380727931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190363565 + 190363566.

It is an arithmetic number, because the mean of its divisors is an integer number (190363566).

Almost surely, 2^380727131 is an apocalyptic number.

380727131 is a deficient number, since it is larger than the sum of its proper divisors (1).

380727131 is an equidigital number, since it uses as much as digits as its factorization.

380727131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 380727131 is about 19512.2302928189. The cubic root of 380727131 is about 724.7773432791. Note that the first 3 decimals are identical.

The spelling of 380727131 in words is "three hundred eighty million, seven hundred twenty-seven thousand, one hundred thirty-one".