168352031 has 2 divisors, whose sum is σ = 168352032. Its totient is φ = 168352030.

The previous prime is 168352021. The next prime is 168352049. The reversal of 168352031 is 130253861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168352031 - 2¹⁴ = 168335647 is a prime.

It is a super-2 number, since 2×168352031² = 56684812683649922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 168351985 and 168352003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168352001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84176015 + 84176016.

It is an arithmetic number, because the mean of its divisors is an integer number (84176016).

Almost surely, 2^168352031 is an apocalyptic number.

168352031 is a deficient number, since it is larger than the sum of its proper divisors (1).

168352031 is an equidigital number, since it uses as much as digits as its factorization.

168352031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 168352031 is about 12975.0541810044. The cubic root of 168352031 is about 552.1699738669.

The spelling of 168352031 in words is "one hundred sixty-eight million, three hundred fifty-two thousand, thirty-one".