168230031 has 4 divisors (see below), whose sum is σ = 224306712. Its totient is φ = 112153352.

The previous prime is 168230021. The next prime is 168230039. The reversal of 168230031 is 130032861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168230031 - 2⁷ = 168229903 is a prime.

It is a super-2 number, since 2×168230031² = 56602686660521922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168229983 and 168230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168230039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28038336 + ... + 28038341.

It is an arithmetic number, because the mean of its divisors is an integer number (56076678).

Almost surely, 2^168230031 is an apocalyptic number.

168230031 is a deficient number, since it is larger than the sum of its proper divisors (56076681).

168230031 is an equidigital number, since it uses as much as digits as its factorization.

168230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56076680.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 168230031 is about 12970.3519998495. The cubic root of 168230031 is about 552.0365609317.

Adding to 168230031 its reverse (130032861), we get a palindrome (298262892).

It can be divided in two parts, 1682 and 30031, that added together give a palindrome (31713).

The spelling of 168230031 in words is "one hundred sixty-eight million, two hundred thirty thousand, thirty-one".