31054459 has 2 divisors, whose sum is σ = 31054460. Its totient is φ = 31054458.

The previous prime is 31054423. The next prime is 31054481. The reversal of 31054459 is 95445013.

It is a strong prime.

It is an emirp because it is prime and its reverse (95445013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31054459 - 2⁹ = 31053947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31054459.

It is not a weakly prime, because it can be changed into another prime (31054159) 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, 15527229 + 15527230.

It is an arithmetic number, because the mean of its divisors is an integer number (15527230).

Almost surely, 2^31054459 is an apocalyptic number.

31054459 is a deficient number, since it is larger than the sum of its proper divisors (1).

31054459 is an equidigital number, since it uses as much as digits as its factorization.

31054459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 31054459 is about 5572.6527794220. The cubic root of 31054459 is about 314.3219107956.

It can be divided in two parts, 31054 and 459, that added together give a palindrome (31513).

The spelling of 31054459 in words is "thirty-one million, fifty-four thousand, four hundred fifty-nine".