42031382 has 32 divisors (see below), whose sum is σ = 70329600. Its totient is φ = 18754848.

The previous prime is 42031369. The next prime is 42031391. The reversal of 42031382 is 28313024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46943 + ... + 47829.

It is an arithmetic number, because the mean of its divisors is an integer number (2197800).

Almost surely, 2^42031382 is an apocalyptic number.

42031382 is a deficient number, since it is larger than the sum of its proper divisors (28298218).

42031382 is a wasteful number, since it uses less digits than its factorization.

42031382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 42031382 is about 6483.1614201715. The cubic root of 42031382 is about 347.6892180684.

The spelling of 42031382 in words is "forty-two million, thirty-one thousand, three hundred eighty-two".