31192106 has 24 divisors (see below), whose sum is σ = 52296132. Its totient is φ = 13939200.

The previous prime is 31192099. The next prime is 31192141. The reversal of 31192106 is 60129113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18879025 + 12313081 = 4345^2 + 3509^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13706 + ... + 15818.

Almost surely, 2^31192106 is an apocalyptic number.

31192106 is a deficient number, since it is larger than the sum of its proper divisors (21104026).

31192106 is a wasteful number, since it uses less digits than its factorization.

31192106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 31192106 is about 5584.9893464536. The cubic root of 31192106 is about 314.7856305806.

It can be divided in two parts, 3119 and 2106, that added together give a palindrome (5225).

The spelling of 31192106 in words is "thirty-one million, one hundred ninety-two thousand, one hundred six".