338180231 has 2 divisors, whose sum is σ = 338180232. Its totient is φ = 338180230.

The previous prime is 338180203. The next prime is 338180257. The reversal of 338180231 is 132081833.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338180231 is a prime.

It is a super-2 number, since 2×338180231² = 228731737278426722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_18201971 and since 338180231 and 18201971 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 338180194 and 338180203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338180261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169090115 + 169090116.

It is an arithmetic number, because the mean of its divisors is an integer number (169090116).

Almost surely, 2^338180231 is an apocalyptic number.

338180231 is a deficient number, since it is larger than the sum of its proper divisors (1).

338180231 is an equidigital number, since it uses as much as digits as its factorization.

338180231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 338180231 is about 18389.6772946129. The cubic root of 338180231 is about 696.7057670822.

It can be divided in two parts, 3381802 and 31, that added together give a palindrome (3381833).

The spelling of 338180231 in words is "three hundred thirty-eight million, one hundred eighty thousand, two hundred thirty-one".