31682442 has 32 divisors (see below), whose sum is σ = 71513280. Its totient is φ = 9269120.

The previous prime is 31682423. The next prime is 31682447. The reversal of 31682442 is 24428613.

It is not an unprimeable number, because it can be changed into a prime (31682447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6363 + ... + 10190.

It is an arithmetic number, because the mean of its divisors is an integer number (2234790).

Almost surely, 2^31682442 is an apocalyptic number.

31682442 is an abundant number, since it is smaller than the sum of its proper divisors (39830838).

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

31682442 is a wasteful number, since it uses less digits than its factorization.

31682442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16598.

The product of its digits is 9216, while the sum is 30.

The square root of 31682442 is about 5628.7158393367. The cubic root of 31682442 is about 316.4265257246.

The spelling of 31682442 in words is "thirty-one million, six hundred eighty-two thousand, four hundred forty-two".