31734028 has 12 divisors (see below), whose sum is σ = 58457560. Its totient is φ = 15031872.

The previous prime is 31734013. The next prime is 31734083. The reversal of 31734028 is 82043713.

It is a junction number, because it is equal to n+sod(n) for n = 31733987 and 31734005.

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 in 3 ways as a sum of consecutive naturals, for example, 208701 + ... + 208852.

Almost surely, 2^31734028 is an apocalyptic number.

31734028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

31734028 is a deficient number, since it is larger than the sum of its proper divisors (26723532).

31734028 is a wasteful number, since it uses less digits than its factorization.

31734028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417576 (or 417574 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 31734028 is about 5633.2963706874. The cubic root of 31734028 is about 316.5981699802.

The spelling of 31734028 in words is "thirty-one million, seven hundred thirty-four thousand, twenty-eight".