31241073 has 8 divisors (see below), whose sum is σ = 43847200. Its totient is φ = 19731168.

The previous prime is 31241051. The next prime is 31241083. The reversal of 31241073 is 37014213.

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

It is not a de Polignac number, because 31241073 - 2¹³ = 31232881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31241003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273988 + ... + 274101.

It is an arithmetic number, because the mean of its divisors is an integer number (5480900).

Almost surely, 2^31241073 is an apocalyptic number.

It is an amenable number.

31241073 is a deficient number, since it is larger than the sum of its proper divisors (12606127).

31241073 is a wasteful number, since it uses less digits than its factorization.

31241073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548111.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 31241073 is about 5589.3714315654. The cubic root of 31241073 is about 314.9502667767.

Adding to 31241073 its reverse (37014213), we get a palindrome (68255286).

The spelling of 31241073 in words is "thirty-one million, two hundred forty-one thousand, seventy-three".