31341073 has 4 divisors (see below), whose sum is σ = 31932468. Its totient is φ = 30749680.

The previous prime is 31341071. The next prime is 31341091. The reversal of 31341073 is 37014313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24930049 + 6411024 = 4993^2 + 2532^2 .

It is a cyclic number.

It is not a de Polignac number, because 31341073 - 2¹ = 31341071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31341071) 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 3 ways as a sum of consecutive naturals, for example, 295618 + ... + 295723.

It is an arithmetic number, because the mean of its divisors is an integer number (7983117).

Almost surely, 2^31341073 is an apocalyptic number.

It is an amenable number.

31341073 is a deficient number, since it is larger than the sum of its proper divisors (591395).

31341073 is an equidigital number, since it uses as much as digits as its factorization.

31341073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591394.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 31341073 is about 5598.3098342268. The cubic root of 31341073 is about 315.2859518114.

Adding to 31341073 its reverse (37014313), we get a palindrome (68355386).

The spelling of 31341073 in words is "thirty-one million, three hundred forty-one thousand, seventy-three".