386081231 has 2 divisors, whose sum is σ = 386081232. Its totient is φ = 386081230.

The previous prime is 386081221. The next prime is 386081239. The reversal of 386081231 is 132180683.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 386081231 - 2⁶ = 386081167 is a prime.

It is a super-2 number, since 2×386081231² = 298117433860950722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386081239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193040615 + 193040616.

It is an arithmetic number, because the mean of its divisors is an integer number (193040616).

Almost surely, 2^386081231 is an apocalyptic number.

386081231 is a deficient number, since it is larger than the sum of its proper divisors (1).

386081231 is an equidigital number, since it uses as much as digits as its factorization.

386081231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 386081231 is about 19648.9498701585. The cubic root of 386081231 is about 728.1590134626.

The spelling of 386081231 in words is "three hundred eighty-six million, eighty-one thousand, two hundred thirty-one".