31424241 has 4 divisors (see below), whose sum is σ = 41898992. Its totient is φ = 20949492.

The previous prime is 31424227. The next prime is 31424243. The reversal of 31424241 is 14242413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31424241 - 2⁹ = 31423729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31424243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5237371 + ... + 5237376.

It is an arithmetic number, because the mean of its divisors is an integer number (10474748).

Almost surely, 2^31424241 is an apocalyptic number.

It is an amenable number.

31424241 is a deficient number, since it is larger than the sum of its proper divisors (10474751).

31424241 is a wasteful number, since it uses less digits than its factorization.

31424241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474750.

The product of its digits is 768, while the sum is 21.

The square root of 31424241 is about 5605.7328691260. The cubic root of 31424241 is about 315.5645908764.

Adding to 31424241 its reverse (14242413), we get a palindrome (45666654).

The spelling of 31424241 in words is "thirty-one million, four hundred twenty-four thousand, two hundred forty-one".