31114249 has 2 divisors, whose sum is σ = 31114250. Its totient is φ = 31114248.

The previous prime is 31114189. The next prime is 31114253. The reversal of 31114249 is 94241113.

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., 30603024 + 511225 = 5532^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 31114249 - 2¹¹ = 31112201 is a prime.

It is not a weakly prime, because it can be changed into another prime (31114289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15557124 + 15557125.

It is an arithmetic number, because the mean of its divisors is an integer number (15557125).

Almost surely, 2^31114249 is an apocalyptic number.

It is an amenable number.

31114249 is a deficient number, since it is larger than the sum of its proper divisors (1).

31114249 is an equidigital number, since it uses as much as digits as its factorization.

31114249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 31114249 is about 5578.0147902278. The cubic root of 31114249 is about 314.5235056653.

The spelling of 31114249 in words is "thirty-one million, one hundred fourteen thousand, two hundred forty-nine".