30983087 has 2 divisors, whose sum is σ = 30983088. Its totient is φ = 30983086.

The previous prime is 30983081. The next prime is 30983119. The reversal of 30983087 is 78038903.

It is a weak prime.

It is an emirp because it is prime and its reverse (78038903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30983087 - 2¹⁴ = 30966703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30983087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30983081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15491543 + 15491544.

It is an arithmetic number, because the mean of its divisors is an integer number (15491544).

Almost surely, 2^30983087 is an apocalyptic number.

30983087 is a deficient number, since it is larger than the sum of its proper divisors (1).

30983087 is an equidigital number, since it uses as much as digits as its factorization.

30983087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 30983087 is about 5566.2453233755. The cubic root of 30983087 is about 314.0809256304.

The spelling of 30983087 in words is "thirty million, nine hundred eighty-three thousand, eighty-seven".