42331232 has 12 divisors (see below), whose sum is σ = 83339676. Its totient is φ = 21165600.

The previous prime is 42331231. The next prime is 42331277. The reversal of 42331232 is 23213324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331231) by changing a digit.

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 as a sum of consecutive naturals, namely, 661394 + ... + 661457.

It is an arithmetic number, because the mean of its divisors is an integer number (6944973).

Almost surely, 2^42331232 is an apocalyptic number.

It is an amenable number.

42331232 is a deficient number, since it is larger than the sum of its proper divisors (41008444).

42331232 is a wasteful number, since it uses less digits than its factorization.

42331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322861 (or 1322853 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 42331232 is about 6506.2456147920. The cubic root of 42331232 is about 348.5140594852.

Adding to 42331232 its reverse (23213324), we get a palindrome (65544556).

The spelling of 42331232 in words is "forty-two million, three hundred thirty-one thousand, two hundred thirty-two".