172311027 has 8 divisors (see below), whose sum is σ = 262569216. Its totient is φ = 98463432.

The previous prime is 172310993. The next prime is 172311037. The reversal of 172311027 is 720113271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172311027 - 2¹⁸ = 172048883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172310988 and 172311006.

It is not an unprimeable number, because it can be changed into a prime (172311037) 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 in 7 ways as a sum of consecutive naturals, for example, 4102623 + ... + 4102664.

It is an arithmetic number, because the mean of its divisors is an integer number (32821152).

Almost surely, 2^172311027 is an apocalyptic number.

172311027 is a deficient number, since it is larger than the sum of its proper divisors (90258189).

172311027 is an equidigital number, since it uses as much as digits as its factorization.

172311027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205297.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 172311027 is about 13126.7294860525. The cubic root of 172311027 is about 556.4647906434.

Adding to 172311027 its reverse (720113271), we get a palindrome (892424298).

The spelling of 172311027 in words is "one hundred seventy-two million, three hundred eleven thousand, twenty-seven".