31222041 has 8 divisors (see below), whose sum is σ = 41929440. Its totient is φ = 20664672.

The previous prime is 31222021. The next prime is 31222091. The reversal of 31222041 is 14022213.

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

It is not a de Polignac number, because 31222041 - 2⁶ = 31221977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31222041.

It is not an unprimeable number, because it can be changed into a prime (31222021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37020 + ... + 37853.

It is an arithmetic number, because the mean of its divisors is an integer number (5241180).

Almost surely, 2^31222041 is an apocalyptic number.

It is an amenable number.

31222041 is a deficient number, since it is larger than the sum of its proper divisors (10707399).

31222041 is a wasteful number, since it uses less digits than its factorization.

31222041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75015.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 31222041 is about 5587.6686551727. The cubic root of 31222041 is about 314.8862980915.

Adding to 31222041 its reverse (14022213), we get a palindrome (45244254).

The spelling of 31222041 in words is "thirty-one million, two hundred twenty-two thousand, forty-one".