31238482 has 16 divisors (see below), whose sum is σ = 51882912. Its totient is φ = 13986720.

The previous prime is 31238477. The next prime is 31238497. The reversal of 31238482 is 28483213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9123 + ... + 12070.

It is an arithmetic number, because the mean of its divisors is an integer number (3242682).

Almost surely, 2^31238482 is an apocalyptic number.

31238482 is a deficient number, since it is larger than the sum of its proper divisors (20644430).

31238482 is a wasteful number, since it uses less digits than its factorization.

31238482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21273.

The product of its digits is 9216, while the sum is 31.

The square root of 31238482 is about 5589.1396475665. The cubic root of 31238482 is about 314.9415596633.

The spelling of 31238482 in words is "thirty-one million, two hundred thirty-eight thousand, four hundred eighty-two".