31328106 has 16 divisors (see below), whose sum is σ = 63151104. Its totient is φ = 10360224.

The previous prime is 31328071. The next prime is 31328113. The reversal of 31328106 is 60182313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19795 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (3946944).

Almost surely, 2^31328106 is an apocalyptic number.

31328106 is an abundant number, since it is smaller than the sum of its proper divisors (31822998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31328106 is a wasteful number, since it uses less digits than its factorization.

31328106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41245.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 31328106 is about 5597.1515970179. The cubic root of 31328106 is about 315.2424638629.

The spelling of 31328106 in words is "thirty-one million, three hundred twenty-eight thousand, one hundred six".