103030985 has 4 divisors (see below), whose sum is σ = 123637188. Its totient is φ = 82424784.

The previous prime is 103030973. The next prime is 103031017. The reversal of 103030985 is 589030301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53173264 + 49857721 = 7292^2 + 7061^2 .

It is a cyclic number.

It is not a de Polignac number, because 103030985 - 2⁸ = 103030729 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10303094 + ... + 10303103.

It is an arithmetic number, because the mean of its divisors is an integer number (30909297).

Almost surely, 2^103030985 is an apocalyptic number.

It is an amenable number.

103030985 is a deficient number, since it is larger than the sum of its proper divisors (20606203).

103030985 is an equidigital number, since it uses as much as digits as its factorization.

103030985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20606202.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 103030985 is about 10150.4179716896. The cubic root of 103030985 is about 468.8018144798.

The spelling of 103030985 in words is "one hundred three million, thirty thousand, nine hundred eighty-five".