118082431 has 2 divisors, whose sum is σ = 118082432. Its totient is φ = 118082430.

The previous prime is 118082407. The next prime is 118082467. The reversal of 118082431 is 134280811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118082431 - 2⁹ = 118081919 is a prime.

It is a super-2 number, since 2×118082431² = 27886921021739522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118082431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118082831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59041215 + 59041216.

It is an arithmetic number, because the mean of its divisors is an integer number (59041216).

Almost surely, 2^118082431 is an apocalyptic number.

118082431 is a deficient number, since it is larger than the sum of its proper divisors (1).

118082431 is an equidigital number, since it uses as much as digits as its factorization.

118082431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 118082431 is about 10866.5740231225. The cubic root of 118082431 is about 490.6009993317.

The spelling of 118082431 in words is "one hundred eighteen million, eighty-two thousand, four hundred thirty-one".