106031109 has 4 divisors (see below), whose sum is σ = 141374816. Its totient is φ = 70687404.

The previous prime is 106031099. The next prime is 106031117. The reversal of 106031109 is 901130601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 106031109 - 2⁹ = 106030597 is a prime.

It is a super-2 number, since 2×106031109² = 22485192151539762, 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 (106031209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17671849 + ... + 17671854.

It is an arithmetic number, because the mean of its divisors is an integer number (35343704).

Almost surely, 2^106031109 is an apocalyptic number.

It is an amenable number.

106031109 is a deficient number, since it is larger than the sum of its proper divisors (35343707).

106031109 is an equidigital number, since it uses as much as digits as its factorization.

106031109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35343706.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 106031109 is about 10297.1408167510. The cubic root of 106031109 is about 473.3086424446.

The spelling of 106031109 in words is "one hundred six million, thirty-one thousand, one hundred nine".