31043796 has 96 divisors (see below), whose sum is σ = 89026560. Its totient is φ = 8221824.

The previous prime is 31043773. The next prime is 31043821. The reversal of 31043796 is 69734013.

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 31 ways as a sum of consecutive naturals, for example, 84405 + ... + 84771.

It is an arithmetic number, because the mean of its divisors is an integer number (927360).

Almost surely, 2^31043796 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 31043796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44513280).

31043796 is an abundant number, since it is smaller than the sum of its proper divisors (57982764).

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

31043796 is a wasteful number, since it uses less digits than its factorization.

31043796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 31043796 is about 5571.6959716051. The cubic root of 31043796 is about 314.2859310113.

The spelling of 31043796 in words is "thirty-one million, forty-three thousand, seven hundred ninety-six".