31606106 has 8 divisors (see below), whose sum is σ = 54181920. Its totient is φ = 13545468.

The previous prime is 31606097. The next prime is 31606181. The reversal of 31606106 is 60160613.

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

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, 1128776 + ... + 1128803.

It is an arithmetic number, because the mean of its divisors is an integer number (6772740).

Almost surely, 2^31606106 is an apocalyptic number.

31606106 is a deficient number, since it is larger than the sum of its proper divisors (22575814).

31606106 is a wasteful number, since it uses less digits than its factorization.

31606106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257588.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 31606106 is about 5621.9308071160. The cubic root of 31606106 is about 316.1721875770.

Adding to 31606106 its reverse (60160613), we get a palindrome (91766719).

The spelling of 31606106 in words is "thirty-one million, six hundred six thousand, one hundred six".