106285931 has 4 divisors (see below), whose sum is σ = 106513992. Its totient is φ = 106057872.

The previous prime is 106285909. The next prime is 106285937. The reversal of 106285931 is 139582601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139582601 = 43 ⋅3246107.

It is a cyclic number.

It is not a de Polignac number, because 106285931 - 2¹⁴ = 106269547 is a prime.

It is a super-2 number, since 2×106285931² = 22593398257073522, 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 = 106285891 and 106285900.

It is not an unprimeable number, because it can be changed into a prime (106285937) 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, 113330 + ... + 114263.

It is an arithmetic number, because the mean of its divisors is an integer number (26628498).

Almost surely, 2^106285931 is an apocalyptic number.

106285931 is a deficient number, since it is larger than the sum of its proper divisors (228061).

106285931 is an equidigital number, since it uses as much as digits as its factorization.

106285931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228060.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 106285931 is about 10309.5068262260. The cubic root of 106285931 is about 473.6875028424.

The spelling of 106285931 in words is "one hundred six million, two hundred eighty-five thousand, nine hundred thirty-one".