31162106 has 8 divisors (see below), whose sum is σ = 46949760. Its totient is φ = 15512188.

The previous prime is 31162093. The next prime is 31162129. The reversal of 31162106 is 60126113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33866 + ... + 34773.

It is an arithmetic number, because the mean of its divisors is an integer number (5868720).

Almost surely, 2^31162106 is an apocalyptic number.

31162106 is a deficient number, since it is larger than the sum of its proper divisors (15787654).

31162106 is a wasteful number, since it uses less digits than its factorization.

31162106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68868.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 31162106 is about 5582.3029297952. The cubic root of 31162106 is about 314.6846798456.

Adding to 31162106 its reverse (60126113), we get a palindrome (91288219).

The spelling of 31162106 in words is "thirty-one million, one hundred sixty-two thousand, one hundred six".