31714013 has 2 divisors, whose sum is σ = 31714014. Its totient is φ = 31714012.

The previous prime is 31713989. The next prime is 31714019. The reversal of 31714013 is 31041713.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30891364 + 822649 = 5558^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 31714013 - 2¹⁸ = 31451869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31714019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15857006 + 15857007.

It is an arithmetic number, because the mean of its divisors is an integer number (15857007).

Almost surely, 2^31714013 is an apocalyptic number.

It is an amenable number.

31714013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31714013 is an equidigital number, since it uses as much as digits as its factorization.

31714013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 31714013 is about 5631.5195995397. The cubic root of 31714013 is about 316.5315953341.

Adding to 31714013 its reverse (31041713), we get a palindrome (62755726).

The spelling of 31714013 in words is "thirty-one million, seven hundred fourteen thousand, thirteen".