30050919 has 30 divisors (see below), whose sum is σ = 46307184. Its totient is φ = 19420560.

The previous prime is 30050893. The next prime is 30050929. The reversal of 30050919 is 91905003.

It is not a de Polignac number, because 30050919 - 2¹¹ = 30048871 is a prime.

It is a super-2 number, since 2×30050919² = 1806115465489122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30050892 and 30050901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30050929) 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 29 ways as a sum of consecutive naturals, for example, 110754 + ... + 111024.

Almost surely, 2^30050919 is an apocalyptic number.

30050919 is a deficient number, since it is larger than the sum of its proper divisors (16256265).

30050919 is an equidigital number, since it uses as much as digits as its factorization.

30050919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 30050919 is about 5481.8718518404. The cubic root of 30050919 is about 310.8989480868.

The spelling of 30050919 in words is "thirty million, fifty thousand, nine hundred nineteen".