164230331 has 4 divisors (see below), whose sum is σ = 164260992. Its totient is φ = 164199672.

The previous prime is 164230303. The next prime is 164230337. The reversal of 164230331 is 133032461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133032461 = 8161 ⋅16301.

It is a cyclic number.

It is not a de Polignac number, because 164230331 - 2¹⁸ = 163968187 is a prime.

It is a super-2 number, since 2×164230331² = 53943203240739122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164230297 and 164230306.

It is not an unprimeable number, because it can be changed into a prime (164230337) 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 in 3 ways as a sum of consecutive naturals, for example, 4955 + ... + 18788.

It is an arithmetic number, because the mean of its divisors is an integer number (41065248).

Almost surely, 2^164230331 is an apocalyptic number.

164230331 is a deficient number, since it is larger than the sum of its proper divisors (30661).

164230331 is an equidigital number, since it uses as much as digits as its factorization.

164230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30660.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 164230331 is about 12815.2382342273. The cubic root of 164230331 is about 547.6265003806.

Adding to 164230331 its reverse (133032461), we get a palindrome (297262792).

The spelling of 164230331 in words is "one hundred sixty-four million, two hundred thirty thousand, three hundred thirty-one".