42831104 has 18 divisors (see below), whose sum is σ = 85495410. Its totient is φ = 21415424.

The previous prime is 42831097. The next prime is 42831127. The reversal of 42831104 is 40113824.

It can be written as a sum of positive squares in only one way, i.e., 41576704 + 1254400 = 6448^2 + 1120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42831104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83399 + ... + 83910.

It is an arithmetic number, because the mean of its divisors is an integer number (4749745).

Almost surely, 2^42831104 is an apocalyptic number.

It is an amenable number.

42831104 is a deficient number, since it is larger than the sum of its proper divisors (42664306).

42831104 is an equidigital number, since it uses as much as digits as its factorization.

42831104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167325 (or 167311 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42831104 is about 6544.5476543456. The cubic root of 42831104 is about 349.8805143157.

Adding to 42831104 its reverse (40113824), we get a palindrome (82944928).

The spelling of 42831104 in words is "forty-two million, eight hundred thirty-one thousand, one hundred four".