31088106 has 24 divisors (see below), whose sum is σ = 76980384. Its totient is φ = 8882280.

The previous prime is 31088081. The next prime is 31088117. The reversal of 31088106 is 60188013.

It is a self number, because there is not a number n which added to its sum of digits gives 31088106.

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, 123240 + ... + 123491.

It is an arithmetic number, because the mean of its divisors is an integer number (3207516).

Almost surely, 2^31088106 is an apocalyptic number.

31088106 is an abundant number, since it is smaller than the sum of its proper divisors (45892278).

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

31088106 is a wasteful number, since it uses less digits than its factorization.

31088106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246746 (or 246743 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 31088106 is about 5575.6709013356. The cubic root of 31088106 is about 314.4353907095.

The spelling of 31088106 in words is "thirty-one million, eighty-eight thousand, one hundred six".