31834028 has 12 divisors (see below), whose sum is σ = 55833120. Its totient is φ = 15881712.

The previous prime is 31834027. The next prime is 31834039. The reversal of 31834028 is 82043813.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31834027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6743 + ... + 10446.

It is an arithmetic number, because the mean of its divisors is an integer number (4652760).

Almost surely, 2^31834028 is an apocalyptic number.

It is an amenable number.

31834028 is a deficient number, since it is larger than the sum of its proper divisors (23999092).

31834028 is a wasteful number, since it uses less digits than its factorization.

31834028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656 (or 17654 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 31834028 is about 5642.1651872309. The cubic root of 31834028 is about 316.9303750999.

The spelling of 31834028 in words is "thirty-one million, eight hundred thirty-four thousand, twenty-eight".