31682012 has 12 divisors (see below), whose sum is σ = 56796096. Its totient is φ = 15454560.

The previous prime is 31682011. The next prime is 31682023. The reversal of 31682012 is 21028613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31682011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96428 + ... + 96755.

It is an arithmetic number, because the mean of its divisors is an integer number (4733008).

Almost surely, 2^31682012 is an apocalyptic number.

It is an amenable number.

31682012 is a deficient number, since it is larger than the sum of its proper divisors (25114084).

31682012 is a wasteful number, since it uses less digits than its factorization.

31682012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193228 (or 193226 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 31682012 is about 5628.6776422176. The cubic root of 31682012 is about 316.4250941849.

It can be divided in two parts, 316 and 82012, that added together give a palindrome (82328).

The spelling of 31682012 in words is "thirty-one million, six hundred eighty-two thousand, twelve".