31041242 has 8 divisors (see below), whose sum is σ = 47085300. Its totient is φ = 15346144.

The previous prime is 31041211. The next prime is 31041259. The reversal of 31041242 is 24214013.

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 2961841 = 5299^2 + 1721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31041242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87017 + ... + 87372.

Almost surely, 2^31041242 is an apocalyptic number.

31041242 is a deficient number, since it is larger than the sum of its proper divisors (16044058).

31041242 is a wasteful number, since it uses less digits than its factorization.

31041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174480.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 31041242 is about 5571.4667727628. The cubic root of 31041242 is about 314.2773119163.

Adding to 31041242 its reverse (24214013), we get a palindrome (55255255).

The spelling of 31041242 in words is "thirty-one million, forty-one thousand, two hundred forty-two".