31034128 has 10 divisors (see below), whose sum is σ = 60128654. Its totient is φ = 15517056.

The previous prime is 31034119. The next prime is 31034149. The reversal of 31034128 is 82143013.

It can be written as a sum of positive squares in only one way, i.e., 24127744 + 6906384 = 4912^2 + 2628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31034099 and 31034108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969801 + ... + 969832.

Almost surely, 2^31034128 is an apocalyptic number.

It is an amenable number.

31034128 is a deficient number, since it is larger than the sum of its proper divisors (29094526).

31034128 is a wasteful number, since it uses less digits than its factorization.

31034128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939641 (or 1939635 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 31034128 is about 5570.8283046599. The cubic root of 31034128 is about 314.2533014979.

The spelling of 31034128 in words is "thirty-one million, thirty-four thousand, one hundred twenty-eight".