164011031 has 4 divisors (see below), whose sum is σ = 166087200. Its totient is φ = 161934864.

The previous prime is 164011013. The next prime is 164011033. The reversal of 164011031 is 130110461.

164011031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 164011031 - 2⁶ = 164010967 is a prime.

It is a super-2 number, since 2×164011031² = 53799236579365922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164011033) 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, 1037966 + ... + 1038123.

It is an arithmetic number, because the mean of its divisors is an integer number (41521800).

Almost surely, 2^164011031 is an apocalyptic number.

164011031 is a deficient number, since it is larger than the sum of its proper divisors (2076169).

164011031 is an equidigital number, since it uses as much as digits as its factorization.

164011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076168.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 164011031 is about 12806.6791558155. The cubic root of 164011031 is about 547.3826396488.

Adding to 164011031 its reverse (130110461), we get a palindrome (294121492).

The spelling of 164011031 in words is "one hundred sixty-four million, eleven thousand, thirty-one".