68082431 has 2 divisors, whose sum is σ = 68082432. Its totient is φ = 68082430.

The previous prime is 68082409. The next prime is 68082473. The reversal of 68082431 is 13428086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68082431 - 2¹⁰ = 68081407 is a prime.

It is a super-2 number, since 2×68082431² = 9270434821739522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68082481) 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, 34041215 + 34041216.

It is an arithmetic number, because the mean of its divisors is an integer number (34041216).

Almost surely, 2^68082431 is an apocalyptic number.

68082431 is a deficient number, since it is larger than the sum of its proper divisors (1).

68082431 is an equidigital number, since it uses as much as digits as its factorization.

68082431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 68082431 is about 8251.2078509755. The cubic root of 68082431 is about 408.3303724715.

The spelling of 68082431 in words is "sixty-eight million, eighty-two thousand, four hundred thirty-one".