30116903 has 4 divisors (see below), whose sum is σ = 31088448. Its totient is φ = 29145360.

The previous prime is 30116897. The next prime is 30116909. The reversal of 30116903 is 30961103.

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

It is an interprime number because it is at equal distance from previous prime (30116897) and next prime (30116909).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30116903 is a prime.

It is a super-2 number, since 2×30116903² = 1814055692622818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30116909) 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 in 3 ways as a sum of consecutive naturals, for example, 485726 + ... + 485787.

It is an arithmetic number, because the mean of its divisors is an integer number (7772112).

Almost surely, 2^30116903 is an apocalyptic number.

30116903 is a deficient number, since it is larger than the sum of its proper divisors (971545).

30116903 is an equidigital number, since it uses as much as digits as its factorization.

30116903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971544.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 30116903 is about 5487.8869339665. The cubic root of 30116903 is about 311.1263328106.

The spelling of 30116903 in words is "thirty million, one hundred sixteen thousand, nine hundred three".