31084116 has 48 divisors (see below), whose sum is σ = 83454336. Its totient is φ = 8820864.

The previous prime is 31084099. The next prime is 31084127. The reversal of 31084116 is 61148013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12010 + ... + 14366.

It is an arithmetic number, because the mean of its divisors is an integer number (1738632).

Almost surely, 2^31084116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31084116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41727168).

31084116 is an abundant number, since it is smaller than the sum of its proper divisors (52370220).

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

31084116 is a wasteful number, since it uses less digits than its factorization.

31084116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 31084116 is about 5575.3130853792. The cubic root of 31084116 is about 314.4219380738.

The spelling of 31084116 in words is "thirty-one million, eighty-four thousand, one hundred sixteen".