31106036 has 12 divisors (see below), whose sum is σ = 58623012. Its totient is φ = 14356608.

The previous prime is 31106029. The next prime is 31106041. The reversal of 31106036 is 63060113.

It can be written as a sum of positive squares in 2 ways, for example, as 19749136 + 11356900 = 4444^2 + 3370^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31105999 and 31106017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299045 + ... + 299148.

It is an arithmetic number, because the mean of its divisors is an integer number (4885251).

Almost surely, 2^31106036 is an apocalyptic number.

It is an amenable number.

31106036 is a deficient number, since it is larger than the sum of its proper divisors (27516976).

31106036 is a wasteful number, since it uses less digits than its factorization.

31106036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598210 (or 598208 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 31106036 is about 5577.2785478224. The cubic root of 31106036 is about 314.4958290760.

Adding to 31106036 its reverse (63060113), we get a palindrome (94166149).

The spelling of 31106036 in words is "thirty-one million, one hundred six thousand, thirty-six".