106009031 has 4 divisors (see below), whose sum is σ = 106348032. Its totient is φ = 105670032.

The previous prime is 106009027. The next prime is 106009081. The reversal of 106009031 is 130900601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130900601 = 13 ⋅10069277.

It is a cyclic number.

It is not a de Polignac number, because 106009031 - 2² = 106009027 is a prime.

It is a super-2 number, since 2×106009031² = 22475829307117922, 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 = 106008994 and 106009012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106009021) 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 3 ways as a sum of consecutive naturals, for example, 169031 + ... + 169656.

It is an arithmetic number, because the mean of its divisors is an integer number (26587008).

Almost surely, 2^106009031 is an apocalyptic number.

106009031 is a deficient number, since it is larger than the sum of its proper divisors (339001).

106009031 is an equidigital number, since it uses as much as digits as its factorization.

106009031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339000.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 106009031 is about 10296.0687157769. The cubic root of 106009031 is about 473.2757890877.

Adding to 106009031 its reverse (130900601), we get a palindrome (236909632).

The spelling of 106009031 in words is "one hundred six million, nine thousand, thirty-one".