31483087 has 2 divisors, whose sum is σ = 31483088. Its totient is φ = 31483086.

The previous prime is 31483069. The next prime is 31483093. The reversal of 31483087 is 78038413.

It is a strong prime.

It is an emirp because it is prime and its reverse (78038413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31483087 - 2¹¹ = 31481039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31483097) 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 as a sum of consecutive naturals, namely, 15741543 + 15741544.

It is an arithmetic number, because the mean of its divisors is an integer number (15741544).

Almost surely, 2^31483087 is an apocalyptic number.

31483087 is a deficient number, since it is larger than the sum of its proper divisors (1).

31483087 is an equidigital number, since it uses as much as digits as its factorization.

31483087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 31483087 is about 5610.9791480632. The cubic root of 31483087 is about 315.7614467002.

The spelling of 31483087 in words is "thirty-one million, four hundred eighty-three thousand, eighty-seven".